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    1. eBay
    2. Business & Industrial
    3. Hydraulics, Pneumatics, Pumps & Plumbing
    4. Fittings & Adapters
    5. Pipe & Hose Fittings
    6. Threaded Fittings
    7. NPT-to-NPT 1 1/2 in End B Diameter Threaded Fittings
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    NPT-to-NPT 1 1/2 in End B Diameter Threaded Fittings

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    • Pipe & Hose Fittings
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    • End A-to-End B

      • NPT-to-NPTFilter Applied
    • End B Diameter

      • 1 1/2 inFilter Applied
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    • Time: ending soonest
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    List View

    1-48 of 393 Results

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

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

      C $8.68
      C $20.57 shipping
      2,689 sold
    • Reverse Street 3 Way Tee 1/2 Npt Male to Female Joiner Adapter Steel Fitting

      Reverse Street 3 Way Tee 1/2 Npt Male to Female Joiner Adapter Steel Fitting

      C $19.99
      C $14.79 shipping
      35 sold
    • 1/2" 150 Female NPT Tee Galvanized Malleable Iron Pipe Fitting <MI030441GMI

      1/2" 150 Female NPT Tee Galvanized Malleable Iron Pipe Fitting <MI030441GMI

      C $8.53
      C $19.67 shipping
      192 sold
    • Y pipe stainless steel 316 1 1/2" NPT with 1" NPT reducer used, 6-month warranty

      Y pipe stainless steel 316 1 1/2" NPT with 1" NPT reducer used, 6-month warranty

      C $46.55
      Was: C $49.00
      C $19.00 shipping
      or Best Offer
    • 1/2" 150 Threaded (NPT) 90° Street Elbow 304 Stainless Steel <SS100441304

      1/2" 150 Threaded (NPT) 90° Street Elbow 304 Stainless Steel <SS100441304

      C $11.19
      C $20.57 shipping
      407 sold
    • Cajon Swagelok pipe nipples 1/2"-1/2", reducers 1/4"-1/8" SS316, lot of 13

      Cajon Swagelok pipe nipples 1/2"-1/2", reducers 1/4"-1/8" SS316, lot of 13

      C $132.05
      Was: C $139.00
      C $18.00 shipping
      or Best Offer
    • Steel Street Tee Fitting 1/2" NPT Male Female Fuel Air Oil Splitter FasParts

      Steel Street Tee Fitting 1/2" NPT Male Female Fuel Air Oil Splitter FasParts

      C $20.40
      C $14.79 shipping
      53 sold
    • BUSHING 3/4" x 1/2" 3000 / 3M A105 Threaded Forged Steel Pipe Fitting (Lot of 5)

      BUSHING 3/4" x 1/2" 3000 / 3M A105 Threaded Forged Steel Pipe Fitting (Lot of 5)

      C $18.98
      C $19.65 shipping
      or Best Offer
    • 1-1/2" X 1/2" 150 Female NPT Bell Reducer Coupling 304 Stainless <SS19080441304

      1-1/2" X 1/2" 150 Female NPT Bell Reducer Coupling 304 Stainless <SS19080441304

      C $19.14
      C $28.09 shipping
    • 1/2" NPT Threaded Full Coupling Aluminum 6061-T Schedule 40 Pipe Fitting A050441

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

      C $7.79
      C $19.67 shipping
      859 sold
    • Steel 1/2" Female Npt Fpt Fip Thread Pipe Fitting Straight Coupling Joiner WOG

      Steel 1/2" Female Npt Fpt Fip Thread Pipe Fitting Straight Coupling Joiner WOG

      C $10.27
      C $14.79 shipping
    • Steel Pipe Adapter Fitting 1/2 Female Npt x 1/2 Npt Male Water Oil Fuel Liquid

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

      C $11.37
      C $14.79 shipping
    • 1" X 1/2" 150 Female NPT Bell Reducer Coupling 304 Stainless Steel <SS1906044130

      1" X 1/2" 150 Female NPT Bell Reducer Coupling 304 Stainless Steel <SS1906044130

      C $12.46
      C $19.67 shipping
    • 1/2"NPT Female Stainless Steel Cross Coupling Cast Pipe Fitting 4 Way Connector

      1/2"NPT Female Stainless Steel Cross Coupling Cast Pipe Fitting 4 Way Connector

      C $12.65
      C $50.64 shipping
    • Threaded 316 Stainless Steel Raised Face Pipe Flange 1-1/2"

      Threaded 316 Stainless Steel Raised Face Pipe Flange 1-1/2"

      C $31.21
      Was: C $36.71
      C $30.74 shipping
      or Best Offer
    • Reducer 3/4 Female Npt to 1/2 Male Npt Pipe Adapter Brass Fitting Water Air Gas

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

      C $11.96
      C $14.79 shipping
      116 sold
    • 1/2" 3000 Threaded (NPT) Union A105 Forged Steel Pipe Fitting <FS040421

      1/2" 3000 Threaded (NPT) Union A105 Forged Steel Pipe Fitting <FS040421

      C $16.42
      C $28.09 shipping
    • 1/2 Npt Female to Male Center Branch Tee Brass Pipe Fitting Water Oil Gas Air

      1/2 Npt Female to Male Center Branch Tee Brass Pipe Fitting Water Oil Gas Air

      C $16.93
      C $14.79 shipping
      50 sold
    • Steel 1/2 Npt Male to Female Branch Tee Pipe Fitting Fuel Air Oil Gas FasParts

      Steel 1/2 Npt Male to Female Branch Tee Pipe Fitting Fuel Air Oil Gas FasParts

      C $18.43
      C $14.79 shipping
    • 3" X 1-1/2" 150 Female NPT Bell Reducer Coupling 304 Stainless <SS19110841304

      3" X 1-1/2" 150 Female NPT Bell Reducer Coupling 304 Stainless <SS19110841304

      C $74.04
      C $29.36 shipping
    • Stainless Steel Swagelok Tube Fitting, Union Tee 1/2 in. Tube OD  SS-810-3

      Stainless Steel Swagelok Tube Fitting, Union Tee 1/2 in. Tube OD SS-810-3

      C $21.00
      or Best Offer
    • 1/2" Inch stainless steel 304 90  Degree Elbow Threaded NPT Class 150 Heavy Duty

      1/2" Inch stainless steel 304 90 Degree Elbow Threaded NPT Class 150 Heavy Duty

      C $4.62
      C $34.52 shipping
    • 1-1/2" 150 Female NPT Tee Galvanized Malleable Iron Pipe Fitting <MI030841GMI

      1-1/2" 150 Female NPT Tee Galvanized Malleable Iron Pipe Fitting <MI030841GMI

      C $19.41
      C $28.73 shipping
    • 1/2" NPT 316ss Male Run Tee (3700 Psig) SK-LOK SS-LWTMT-8

      1/2" NPT 316ss Male Run Tee (3700 Psig) SK-LOK SS-LWTMT-8

      C $28.36
      Was: C $35.45
    • SS-810-9 Swagelok Union Elbow 1/2" tube, 316 SS

      SS-810-9 Swagelok Union Elbow 1/2" tube, 316 SS

      C $21.00
      or Best Offer
    • 1/2" 150 Threaded (NPT) Hex Union 304 Stainless Steel, Pipe Fitting <SS040441304

      1/2" 150 Threaded (NPT) Hex Union 304 Stainless Steel, Pipe Fitting <SS040441304

      C $17.15
      C $19.67 shipping
      143 sold
    • 1/2" Inch Stainless Steel Coupling New NPT Grade 304 Class 150

      1/2" Inch Stainless Steel Coupling New NPT Grade 304 Class 150

      C $4.20
      C $24.16 shipping
      206 sold
    • Reducer 3/4" to 1/2" Npt Female Pipe Adapter Coupler Brass Fitting Water Oil Gas

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

      C $11.99
      C $14.79 shipping
      132 sold
    • 1/2" Inch Stainless Steel 90 New NPT Grade 304 Class 150

      1/2" Inch Stainless Steel 90 New NPT Grade 304 Class 150

      C $3.52
      C $24.22 shipping
      56 sold
    • 1/2" 150 Female NPT Pipe Tee Cast 304 Stainless Steel Fitting <SS030441304

      1/2" 150 Female NPT Pipe Tee Cast 304 Stainless Steel Fitting <SS030441304

      C $10.66
      C $29.43 shipping
      624 sold
    • Union150# 316 Stainless Steel 1/2" Inch NPT Brewing Pipe Fitting

      Union150# 316 Stainless Steel 1/2" Inch NPT Brewing Pipe Fitting

      C $8.72
      C $25.09 shipping
    • Hex Nipple Reducer 3/4 to 1/2 Male Npt Brass Fitting Air Water Fuel Oil Gas

      Hex Nipple Reducer 3/4 to 1/2 Male Npt Brass Fitting Air Water Fuel Oil Gas

      C $12.25
      C $14.79 shipping
    • Steel Street Elbow Fitting  1/2 Female Npt x 1/2 Npt Male Water Oil Fuel Liquid

      Steel Street Elbow Fitting 1/2 Female Npt x 1/2 Npt Male Water Oil Fuel Liquid

      C $13.55
      C $14.79 shipping
      111 sold
    • 1/2 Npt Female Pipe T Tee 3 Way Brass Fitting Fuel Vacuum Air Water Oil Gas

      1/2 Npt Female Pipe T Tee 3 Way Brass Fitting Fuel Vacuum Air Water Oil Gas

      C $14.15
      C $14.79 shipping
    • 1/2" Male NPT X 1/2" Male NPT 90° Elbow 316S/S Instrument Brewing <5500-08-08-SS

      1/2" Male NPT X 1/2" Male NPT 90° Elbow 316S/S Instrument Brewing <5500-08-08-SS

      C $39.25
      C $19.67 shipping
    • 1" X 1/2" 150# Cast Threaded (NPT) Hex Bushing 304 Stainless Steel <SS12060441

      1" X 1/2" 150# Cast Threaded (NPT) Hex Bushing 304 Stainless Steel <SS12060441

      C $11.34
      C $20.57 shipping
      299 sold
    • 1/2" 150 Female NPT Tee Black Malleable Iron Pipe Fitting <MI030441BMI

      1/2" 150 Female NPT Tee Black Malleable Iron Pipe Fitting <MI030441BMI

      C $7.14
      C $19.67 shipping
    • 1/2" Male Npt Mip Mpt Steel Male Elbow Fitting Fuel, Air, Water, Oil, Gas

      1/2" Male Npt Mip Mpt Steel Male Elbow Fitting Fuel, Air, Water, Oil, Gas

      C $10.25
      C $14.79 shipping
      or Best Offer
    • 1/2 Female Npt 4 Way Cross Brass Pipe Fitting Vacuum Fuel Air Water Oil Gas

      1/2 Female Npt 4 Way Cross Brass Pipe Fitting Vacuum Fuel Air Water Oil Gas

      C $20.07
      C $14.79 shipping
    • WARD 1/2" FNPT Galvanized Malleable Iron Cross - 1/2" NPT Cross - Made in USA -

      WARD 1/2" FNPT Galvanized Malleable Iron Cross - 1/2" NPT Cross - Made in USA -

      C $10.06
    • 1-1/2" 150 Threaded (NPT) 90° Street Elbow 304 Stainless Steel <SS100841304

      1-1/2" 150 Threaded (NPT) 90° Street Elbow 304 Stainless Steel <SS100841304

      C $32.30
      C $30.07 shipping
      47 sold
    • 1/2" Female Npt to 1/2" Male Npt Pipe Adapter Brass Water Oil Gas Air FasParts

      1/2" Female Npt to 1/2" Male Npt Pipe Adapter Brass Water Oil Gas Air FasParts

      C $9.81
      C $14.79 shipping
      159 sold
    • Lot of 2 1/2" x 1/2" NPT Aluminum Close Nipples (1-1/8" Length) Threaded -

      Lot of 2 1/2" x 1/2" NPT Aluminum Close Nipples (1-1/8" Length) Threaded -

      C $8.86
      4 watching
    • Steel 1/2 Female Npt Fpt Tee T Pipe Fitting Fuel, Air, Water, Oil, Gas, Vacuum

      Steel 1/2 Female Npt Fpt Tee T Pipe Fitting Fuel, Air, Water, Oil, Gas, Vacuum

      C $13.90
      C $14.79 shipping
    • 3/8" MNPT x 1/2" MNPT Hex Reducing Nipple Parker

      3/8" MNPT x 1/2" MNPT Hex Reducing Nipple Parker

      C $24.31
      Was: C $30.38
    • 1/2" NPT x 1.5" Length Brass Bulkhead Terminal Bolt Air Brake FasParts

      1/2" NPT x 1.5" Length Brass Bulkhead Terminal Bolt Air Brake FasParts

      C $21.26
      C $14.79 shipping
    • 2-1/2" 150 Female NPT Tee Black Malleable Iron Pipe Fitting <MI031041BMI

      2-1/2" 150 Female NPT Tee Black Malleable Iron Pipe Fitting <MI031041BMI

      C $39.63
      C $78.25 shipping
    • 1/2" MNPT x 1/2" FNPT 316ss Pipe Adapter Fitting  Swagelok SS-8-A

      1/2" MNPT x 1/2" FNPT 316ss Pipe Adapter Fitting Swagelok SS-8-A

      C $22.28
      Was: C $27.85
      C $17.14 shipping

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