NPT-to-NPT Straight Coupling 1 1/2 in End B Diameter Threaded Fittings

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Pipe & Hose Fittings

128 Results

Smith Blair Model 411 1/2 x 4-1/2 Coupling Bolt Flexi-Coat Fusion Bonded Epoxy
Brand New
$19.99
or Best Offer
$4.75 shipping
316 2x1 1/2" Stainless Steel Reducing Coupling LOT OF 2
Pre-Owned · Unbranded
$11.00
or Best Offer
$13.15 shipping
Parker Hannifin 208P-12-8 Brass Reducer Coupling 3/4" Female NPT X 1/2" Male NPT
$19.24
$6.20 shipping
Red Brass Coupling 1-1/2" Female NPT Pipe Fitting 2-1/2" OD 2" L Thread Size 11
$16.19
$11.40 shipping
1/2" 150 Female (NPT) Full Coupling 304 Stainless Steel Coupler SS050441304
Brand New
$8.68
Free shipping
3,081 sold
1-1/2" NPT Threaded Full Coupling Aluminum 6061-T Sch 40 Pipe Fitting A050841
Brand New
$15.98
Free shipping
501 sold
Guardian Threaded Coupling 60FC111N030, 3" NPT Pipe, 316 Stainless, Schedule 40
$49.95
Free shipping
Pipe Adapter 1/2 Female to 1/2 Male Npt Brass Fitting Water Air Gas
Brand New · Unbranded
$9.82
Free shipping
285 sold
Banjo Threaded Polypropylene Pipe Coupling, 1/2" NPT Female - CPLG050
Brand New
$8.99
Free shipping
Female Pipe Reducer 3/4" to 1/2" Npt Adapter Coupler Brass Fitting Water Oil Gas
Brand New · Unbranded
$11.90
Free shipping
201 sold
Female Pipe Reducer 1" to 1/2" Npt Adapter Coupler Brass Fitting Water Oil Gas
Brand New · Unbranded
$19.06
Free shipping
Reducer Pipe Adapter 3/4 Female Npt to 1/2 Male Npt Brass Fitting Water Air Gas
Brand New · Unbranded
$12.47
Free shipping
318 sold
1-1/2" 3000 (3M) Female (NPT) Full Coupling 316 Stainless Steel SS050821316
$39.95
Free shipping
59 sold
1/2" 3000 (3M) Female (NPT) Full Coupling 316 Stainless Steel SS050421316
Brand New
$12.00
Free shipping
75 sold
5000-08-08 NPT Female 1/2" to NPT Female 1/2" Tapered Straight Rigid Adapter
Brand New
$4.99
$3.90 shipping
(2) Parker 1/2 GG-SS Stainless Pipe Coupling Female 1/2" NPT to Female 1/2" NPT
$35.00
Free shipping
1/2" NPT Threaded Full Coupling Aluminum 6061-T Schedule 40 Pipe Fitting A050441
Brand New
$10.98
Free shipping
134 sold
Lot of 2) 1/2" Coupling Red Brass Class 125# Female NPT Threaded LF Pipe Fitting
Brand New
$12.99
Free shipping
1-1/2" 150 Female (NPT) Full Coupling 304 Stainless Steel Coupler SS050841304
Brand New
$21.08
Free shipping
282 sold
2-1/2" 150 Female (NPT) Full Coupling 304 Stainless Steel Coupler <SS051041304
Brand New
$39.99
Free shipping
66 sold
(5) Anvil Pipe Unions 0361500804, 1/2" NPT, Black Forged Steel, Class 3000
$49.95
Free shipping
Only 1 left!
Steel 3/4 - 1/2 Female Npt Fpt Pipe Fitting Straight Coupling Reducer Adapter
Brand New · Unbranded
$11.06
Free shipping
33250-8-8 Red Brass Pipe Union Class H150# Female 1/2 NPT to Female 1/2 NPT
$12.50
Free shipping
Steel Pipe Adapter Fitting 1/2 Female Npt x 1/2 Npt Male Water Oil Fuel Liquid
Brand New · Unbranded
$11.39
Free shipping
Stainless Steel 316 Fitting 1/2" Inch Full Coupling Class 150 Heavy Duty
Brand New
$6.79
$4.99 shipping
2-1/2" x 1-1/2" 316 Stainless Steel Reducing Coupling 2.5"x1.5" NPT Marine Grade
Brand New · Unbranded
$29.95
or Best Offer
Free shipping
2 watching
1/2" 3000 (3M) Threaded (NPT) Full Coupling Coupler A105 Forged Steel FS050421
Brand New · Unbranded
$8.04
Free shipping
148 sold
1" X 1/2" 150 Female NPT 304 Stainless Reducing Coupling Reducer <SS11060441304
Brand New · Unbranded
$11.29
Free shipping
Anvil 1-1/2" NPT Malleable Iron Coupling Class 150 0310081005 USA
Pre-Owned · Anvil
$9.49
$4.75 shipping
1/2" 150 Female (NPT) Full Coupling 304 Stainless Steel Coupler Quantity x2
Brand New
$15.99
$4.62 shipping
1/2 Npt Female Pipe Coupling Brass Fitting Air Water Oil Gas Fuel 103-D
Brand New · Unbranded
$9.51
Free shipping
112 sold
1-1/2" 150 Female NPT Coupling Galvanized Malleable Iron Pipe Fitting MI05084GMI
Brand New · Unbranded
$11.57
Free shipping
Steel 1/2" Npt Male Close Nipple Pipe Fitting Mpt Mip Fuel Oil Gas Liquid
Brand New · Unbranded
$12.09
Free shipping
3/4 MNPT x 1/2 MNPT Steel Pipe Adapter Fitting Parker 3/4x1/2 FF-S
Brand New · Parker
$6.00
$4.41 shipping
Lot of 7 1-1/2in NPT FIP Pipe Couplings 316 Stainless Steel (B455)
Brand New · Unbranded
$90.00
$21.00 shipping
Steel 1/4 Female Npt x 1/2 Npt Male Pipe Reducer Adapter Fitting Water Oil Fuel
Brand New · Unbranded
$12.88
Free shipping
1/2" 3000 (3M) Female (NPT) Full Coupling 304 Stainless Steel SS050421304
Brand New
$10.71
Free shipping
124 sold
Watts Dielectric Union 11/2 LF3004, 1.5" NPT Pipe Fitting, Zinc Malleable Iron
(1)
$39.95
Free shipping
Mueller Proline 1/2" Diameter Galvanized Union Fitting Union 300HI
Pre-Owned
$12.13
$7.00 shipping
1/2" FNPT 316ss Hex Union Coupling Fitting SSP ISST8HCG
Brand New
$18.00
$3.96 shipping
1-1/2" 3000 (3M) Threaded (NPT) Full Coupling A105 Forged Steel <FS050821
Brand New · Unbranded
$29.56
Free shipping
FITOK 316 SS Hex Reducing Coupling 3/4'' x 1/2'' FNPT, 4600 psi, SS-PCG-NS12-NS8
Brand New
$21.81
Free shipping
Black Iron Pipe Union 1.5" Fitting for LP, Natural Gas, Air, 1-1/2 inch Coupling
Brand New
$15.96
Free shipping
1/2 Npt Female 3 Piece Union Coupling Brass Pipe Fitting Air Water Oil Gas 104-D
Brand New · Unbranded
$22.89
Free shipping
STRAIGHT BRASS FITTING (1/2” NPTF MALE, 9/16" ID , .830” OD, 2.520” LG.) X111F
$8.24
Was: $10.99was - US $10.99
or Best Offer
$5.00 shipping
3/4 MNPT x 1/2 FNPT 316ss Pipe Adapter Fitting SWAGELOK-IPT CN12NM8NF10
Brand New · Swagelok
$28.00
$5.09 shipping
304 STAINLESS STEEL COUPLING, 1/2" FEMALE NPT, schedule 150
Brand New · Unbranded
$4.00
or Best Offer
$4.14 shipping
Swagelok SS-8-HCG, 1/2" x 1/2", 316 Stainless Steel, Hex, Coupling, 1 pc
(1)
$45.00
Free shipping
Stainless Steel 304 Fitting Reducing Coupling Class 150 2" X 1/2" Female NPT
Brand New
$19.90
$8.90 shipping
1/2" 150 Female NPT Coupling Black Malleable Iron Pipe Fitting MI050441BMI
Brand New · Unbranded
$7.10
Free shipping
CAMCO T-304 THREADED COUPLING 1-1/4" NPT 2" LONG STAINLESS STEEL NNB
$9.33
$5.33 shipping
Penn Stainless Steel Union 3000301712, 1-1/2" NPT Pipe, Class 3000, 304 SS
$179.95
Free shipping
WATTS Dielectric UnionLF3006 1-1/2" NPT Black Pipe Malleable Iron
$29.95
or Best Offer
Free shipping
Watts 1 1/2 LF3006 Dielectric Union; 1”-1/2" NPT Pipe Malleable Iron Lead Free
$28.99
or Best Offer
Free shipping
1/2 Npt Male Close Nipple Brass Pipe Fitting Air Fuel Oil Gas Water FasParts
Brand New · Unbranded
$8.67
Free shipping
Parker FSC-8-P FSC-8 Parflare Straight F-F 1/2" NPT, PFA , New Factory Sealed,
Brand New · Parker
$25.00
Free shipping
Stainless Steel 304 Fitting Reducing Coupling Class 150 4" X 2-1/2" Female NPT
Brand New
$82.90
$16.90 shipping
Stainless Steel 304 Fitting Reducing Coupling Class 150 3" X 1-1/2" Female NPT
Brand New
$47.90
$12.90 shipping
1-1/2" Half Coupling Forged Steel Female NPT x Female NPT Class 6000 USA NeW
Brand New
$20.85
Free shipping
Stainless Steel 316 Fitting 1-1/2" Inch Full Coupling Class 150 Heavy Duty
Brand New
$14.90
$8.90 shipping

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NPT-to-NPT Straight Coupling 1 1/2 in End B Diameter Threaded Fittings

Shop by Category

128 Results

Smith Blair Model 411 1/2 x 4-1/2 Coupling Bolt Flexi-Coat Fusion Bonded Epoxy

316 2x1 1/2" Stainless Steel Reducing Coupling LOT OF 2

Parker Hannifin 208P-12-8 Brass Reducer Coupling 3/4" Female NPT X 1/2" Male NPT

Red Brass Coupling 1-1/2" Female NPT Pipe Fitting 2-1/2" OD 2" L Thread Size 11

1/2" 150 Female (NPT) Full Coupling 304 Stainless Steel Coupler SS050441304

1-1/2" NPT Threaded Full Coupling Aluminum 6061-T Sch 40 Pipe Fitting A050841

Guardian Threaded Coupling 60FC111N030, 3" NPT Pipe, 316 Stainless, Schedule 40

Pipe Adapter 1/2 Female to 1/2 Male Npt Brass Fitting Water Air Gas

Banjo Threaded Polypropylene Pipe Coupling, 1/2" NPT Female - CPLG050

Female Pipe Reducer 3/4" to 1/2" Npt Adapter Coupler Brass Fitting Water Oil Gas

Female Pipe Reducer 1" to 1/2" Npt Adapter Coupler Brass Fitting Water Oil Gas

Reducer Pipe Adapter 3/4 Female Npt to 1/2 Male Npt Brass Fitting Water Air Gas

1-1/2" 3000 (3M) Female (NPT) Full Coupling 316 Stainless Steel SS050821316

1/2" 3000 (3M) Female (NPT) Full Coupling 316 Stainless Steel SS050421316

5000-08-08 NPT Female 1/2" to NPT Female 1/2" Tapered Straight Rigid Adapter

(2) Parker 1/2 GG-SS Stainless Pipe Coupling Female 1/2" NPT to Female 1/2" NPT

1/2" NPT Threaded Full Coupling Aluminum 6061-T Schedule 40 Pipe Fitting A050441

Lot of 2) 1/2" Coupling Red Brass Class 125# Female NPT Threaded LF Pipe Fitting

1-1/2" 150 Female (NPT) Full Coupling 304 Stainless Steel Coupler SS050841304

2-1/2" 150 Female (NPT) Full Coupling 304 Stainless Steel Coupler <SS051041304

(5) Anvil Pipe Unions 0361500804, 1/2" NPT, Black Forged Steel, Class 3000

Steel 3/4 - 1/2 Female Npt Fpt Pipe Fitting Straight Coupling Reducer Adapter

33250-8-8 Red Brass Pipe Union Class H150# Female 1/2 NPT to Female 1/2 NPT

Steel Pipe Adapter Fitting 1/2 Female Npt x 1/2 Npt Male Water Oil Fuel Liquid

Stainless Steel 316 Fitting 1/2" Inch Full Coupling Class 150 Heavy Duty

2-1/2" x 1-1/2" 316 Stainless Steel Reducing Coupling 2.5"x1.5" NPT Marine Grade

1/2" 3000 (3M) Threaded (NPT) Full Coupling Coupler A105 Forged Steel FS050421

1" X 1/2" 150 Female NPT 304 Stainless Reducing Coupling Reducer <SS11060441304

Anvil 1-1/2" NPT Malleable Iron Coupling Class 150 0310081005 USA

1/2" 150 Female (NPT) Full Coupling 304 Stainless Steel Coupler Quantity x2

1/2 Npt Female Pipe Coupling Brass Fitting Air Water Oil Gas Fuel 103-D

1-1/2" 150 Female NPT Coupling Galvanized Malleable Iron Pipe Fitting MI05084GMI

Steel 1/2" Npt Male Close Nipple Pipe Fitting Mpt Mip Fuel Oil Gas Liquid

3/4 MNPT x 1/2 MNPT Steel Pipe Adapter Fitting Parker 3/4x1/2 FF-S

Lot of 7 1-1/2in NPT FIP Pipe Couplings 316 Stainless Steel (B455)

Steel 1/4 Female Npt x 1/2 Npt Male Pipe Reducer Adapter Fitting Water Oil Fuel

1/2" 3000 (3M) Female (NPT) Full Coupling 304 Stainless Steel SS050421304

Watts Dielectric Union 11/2 LF3004, 1.5" NPT Pipe Fitting, Zinc Malleable Iron

Mueller Proline 1/2" Diameter Galvanized Union Fitting Union 300HI

1/2" FNPT 316ss Hex Union Coupling Fitting SSP ISST8HCG

1-1/2" 3000 (3M) Threaded (NPT) Full Coupling A105 Forged Steel <FS050821

FITOK 316 SS Hex Reducing Coupling 3/4'' x 1/2'' FNPT, 4600 psi, SS-PCG-NS12-NS8

Black Iron Pipe Union 1.5" Fitting for LP, Natural Gas, Air, 1-1/2 inch Coupling

1/2 Npt Female 3 Piece Union Coupling Brass Pipe Fitting Air Water Oil Gas 104-D

STRAIGHT BRASS FITTING (1/2” NPTF MALE, 9/16" ID , .830” OD, 2.520” LG.) X111F

3/4 MNPT x 1/2 FNPT 316ss Pipe Adapter Fitting SWAGELOK-IPT CN12NM8NF10

304 STAINLESS STEEL COUPLING, 1/2" FEMALE NPT, schedule 150

Swagelok SS-8-HCG, 1/2" x 1/2", 316 Stainless Steel, Hex, Coupling, 1 pc

Stainless Steel 304 Fitting Reducing Coupling Class 150 2" X 1/2" Female NPT

1/2" 150 Female NPT Coupling Black Malleable Iron Pipe Fitting MI050441BMI

CAMCO T-304 THREADED COUPLING 1-1/4" NPT 2" LONG STAINLESS STEEL NNB

Penn Stainless Steel Union 3000301712, 1-1/2" NPT Pipe, Class 3000, 304 SS

WATTS Dielectric UnionLF3006 1-1/2" NPT Black Pipe Malleable Iron

Watts 1 1/2 LF3006 Dielectric Union; 1”-1/2" NPT Pipe Malleable Iron Lead Free

1/2 Npt Male Close Nipple Brass Pipe Fitting Air Fuel Oil Gas Water FasParts

Parker FSC-8-P FSC-8 Parflare Straight F-F 1/2" NPT, PFA , New Factory Sealed,

Stainless Steel 304 Fitting Reducing Coupling Class 150 4" X 2-1/2" Female NPT

Stainless Steel 304 Fitting Reducing Coupling Class 150 3" X 1-1/2" Female NPT

1-1/2" Half Coupling Forged Steel Female NPT x Female NPT Class 6000 USA NeW

Stainless Steel 316 Fitting 1-1/2" Inch Full Coupling Class 150 Heavy Duty

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