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    1. eBay
    2. Business & Industrial
    3. Hydraulics, Pneumatics, Pumps & Plumbing
    4. Fittings & Adapters
    5. Pipe Nipples
    6. 1/2 in (12.7 mm) Diameter Pipe Nipples
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    1/2 in (12.7 mm) Diameter Pipe Nipples

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    • Fittings & Adapters
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    • Material

      • Black Malleable Iron
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    • Length

      • 1 1/2 in (38.1 mm)
      • 3 1/2 in (88.9 mm)
      • 4 in (101.6 mm)
      • 10 in (254 mm)
      • 12 in (304.8 mm)
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      • 1/2 in (12.7 mm)Filter Applied
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    • Time: ending soonest
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    List View

    1-48 of 97 Results

    • 1/2 x 2" Inch 304 Stainless Steel Nipple SCH 40 NPT 2 PACK

      1/2 x 2" Inch 304 Stainless Steel Nipple SCH 40 NPT 2 PACK

      C $4.09
      C $23.88 shipping
      Only 3 left
    • 1/2" X 12" Threaded NPT Pipe Nipple S/40 (STD) Welded 304/L Stainless <SN2041611

      1/2" X 12" Threaded NPT Pipe Nipple S/40 (STD) Welded 304/L Stainless <SN2041611

      C $19.40
      C $28.29 shipping
      56 sold
    • 1/2" X 1-1/2" Threaded NPT Pipe Nipple S/40 STD Welded 304/L Stainless SN2040111

      1/2" X 1-1/2" Threaded NPT Pipe Nipple S/40 STD Welded 304/L Stainless SN2040111

      C $7.33
      C $19.81 shipping
      536 sold
    • 1/2" X 3-1/2" Threaded NPT Pipe Nipple S/40 STD Welded 304/L Stainless SN2040511

      1/2" X 3-1/2" Threaded NPT Pipe Nipple S/40 STD Welded 304/L Stainless SN2040511

      C $9.17
      C $19.81 shipping
    • 1/2 x 6 Inch 316 Stainless Steel Pipe Nipple NPT SCH 40 Lot of 2 New

      1/2 x 6 Inch 316 Stainless Steel Pipe Nipple NPT SCH 40 Lot of 2 New

      C $10.63
      C $27.71 shipping
      Only 1 left!
    • 1/2" X 2" Threaded NPT Pipe Nipple S/40 (STD) Welded 304/L Stainless <SN2040211

      1/2" X 2" Threaded NPT Pipe Nipple S/40 (STD) Welded 304/L Stainless <SN2040211

      C $7.76
      C $19.81 shipping
      400 sold
    • Pipe Nipple Thread End 304 Stainless Steel 1/2" x 12" Long Schedule 80 / XH

      Pipe Nipple Thread End 304 Stainless Steel 1/2" x 12" Long Schedule 80 / XH

      C $32.01
      C $38.53 shipping
      or Best Offer
    • 1/2" X 10" Threaded NPT Pipe Nipple S/40 (STD) Welded 304/L Stainless <SN2041411

      1/2" X 10" Threaded NPT Pipe Nipple S/40 (STD) Welded 304/L Stainless <SN2041411

      C $17.54
      C $28.29 shipping
    • 1/2" X 6" Threaded NPT Pipe Nipple S/40 (STD) Welded 304/L Stainless <SN2041011

      1/2" X 6" Threaded NPT Pipe Nipple S/40 (STD) Welded 304/L Stainless <SN2041011

      C $11.51
      C $29.64 shipping
      286 sold
    • 20-Everbilt 1/2" x 1-1/2" Brass Nipple-Threaded-NPT-Pipe-Lead Free

      20-Everbilt 1/2" x 1-1/2" Brass Nipple-Threaded-NPT-Pipe-Lead Free

      C $76.47
    • 25x SouthLand Black Steel 1/2" x 10" pipe nipple 3043785 sch 40 plumbing Mueller

      25x SouthLand Black Steel 1/2" x 10" pipe nipple 3043785 sch 40 plumbing Mueller

      C $70.81
      C $24.02 shipping
    • 3 PACK 316 Stainless Steel NPT Threaded Both ends 1/2" X 4"  Pipe Nipple

      3 PACK 316 Stainless Steel NPT Threaded Both ends 1/2" X 4" Pipe Nipple

      C $12.75
    • 1/2" x 1-1/2" Inch Shoulder 304 Stainless Steel Nipple NPT SCH 40 Lot of 2 NEW

      1/2" x 1-1/2" Inch Shoulder 304 Stainless Steel Nipple NPT SCH 40 Lot of 2 NEW

      C $3.56
      C $23.94 shipping
      210 sold
    • Pipe Nipple Thread End Fitting 316 Stainless Steel 1/2" x 2" Long Schedule 80

      Pipe Nipple Thread End Fitting 316 Stainless Steel 1/2" x 2" Long Schedule 80

      C $9.97
      C $35.45 shipping
      or Best Offer
    •  316 Stainless Steel NPT Threaded Both ends 1/2" X 7"  Pipe Nipple

      316 Stainless Steel NPT Threaded Both ends 1/2" X 7" Pipe Nipple

      C $8.92
    • 1/2" X 8" Threaded NPT Pipe Nipple S/40 (STD) Welded 304/L Stainless <SN2041211

      1/2" X 8" Threaded NPT Pipe Nipple S/40 (STD) Welded 304/L Stainless <SN2041211

      C $15.04
      C $19.81 shipping
    • 1/2 x 5-1/2 Inch 304 Stainless Steel Nipple NPT SCH 40 Lot of 2

      1/2 x 5-1/2 Inch 304 Stainless Steel Nipple NPT SCH 40 Lot of 2

      C $9.83
      C $25.93 shipping
      Only 1 left!
    • SS-8-HLN-4.00 Cajon / Swagelok SST 1/2" X 1/2" MNPT  Long Hexagonal Pipe Nipple

      SS-8-HLN-4.00 Cajon / Swagelok SST 1/2" X 1/2" MNPT Long Hexagonal Pipe Nipple

      C $27.09
      C $34.29 shipping
    • 1/2 x 4-1/2 Inch 304 Stainless Steel Nipple NPT SCH 40 Lot of 2

      1/2 x 4-1/2 Inch 304 Stainless Steel Nipple NPT SCH 40 Lot of 2

      C $7.33
      C $24.91 shipping
      Only 1 left!
    •  316 Stainless Steel NPT Threaded Both ends 1/2" X 24"  Pipe Nipple

      316 Stainless Steel NPT Threaded Both ends 1/2" X 24" Pipe Nipple

      C $15.30
    • (25) Military Spec Black Pipe Nipple, Threaded 1/2" x 5" Black Nipple NSN:4730-0

      (25) Military Spec Black Pipe Nipple, Threaded 1/2" x 5" Black Nipple NSN:4730-0

      C $35.68
      C $38.01 shipping
    • 1/2" X CLOSE NPT Pipe Nipple S/40 STD 304/L Stainless (5-PACK) <SN2040011**x5

      1/2" X CLOSE NPT Pipe Nipple S/40 STD 304/L Stainless (5-PACK) <SN2040011**x5

      C $16.44
      C $19.81 shipping
    • 1/2" NPT Equal  Hex Nipple Connector  Brsss Pipe Fitting

      1/2" NPT Equal Hex Nipple Connector Brsss Pipe Fitting

      C $5.09
      C $3.81 shipping
      or Best Offer
    • (4) 1/2" OD x 1-1/2" L Black Steel MNPT Pipe Nipple, Fitting, Connector

      (4) 1/2" OD x 1-1/2" L Black Steel MNPT Pipe Nipple, Fitting, Connector

      C $11.47
    • 1/2" X 5-1/2" Threaded NPT Pipe Nipple S/40 STD Welded 304/L Stainless SN2040911

      1/2" X 5-1/2" Threaded NPT Pipe Nipple S/40 STD Welded 304/L Stainless SN2040911

      C $11.03
      C $19.81 shipping
      72 sold
    • 1/2”x10” Stainless Steel Pipe Nipples 316 Schedule 40

      1/2”x10” Stainless Steel Pipe Nipples 316 Schedule 40

      C $24.22
    • Picoma 1/2 Galvanized Nipple 1-1/2" Closed Lot of 25

      Picoma 1/2 Galvanized Nipple 1-1/2" Closed Lot of 25

      C $38.24
      C $28.50 shipping
      or Best Offer
    • 1/2 x 3-1/2 Inch 304 Stainless Steel Nipple NPT SCH 40 Lot of 2

      1/2 x 3-1/2 Inch 304 Stainless Steel Nipple NPT SCH 40 Lot of 2

      C $5.48
      C $24.87 shipping
      Only 1 left!
    • New Mueller 1/2" x 3" Threaded Galvanized Steel Pipe Nipple 563-030HN

      New Mueller 1/2" x 3" Threaded Galvanized Steel Pipe Nipple 563-030HN

      C $1.39
      C $26.65 shipping
    • 1/2 x 4 Inch 304 Stainless Steel Nipple NPT SCH 40 Lot of 2

      1/2 x 4 Inch 304 Stainless Steel Nipple NPT SCH 40 Lot of 2

      C $7.01
      C $24.91 shipping
    • 1/2" Black Steel 16" Long Nipple Pipe Fitting 1/2" NPT

      1/2" Black Steel 16" Long Nipple Pipe Fitting 1/2" NPT

      C $20.15
      Was: C $22.91
      or Best Offer
    • 1/2 x 2-1/2 Inch 304 Stainless Steel Nipple NPT SCH 40 Lot of 2

      1/2 x 2-1/2 Inch 304 Stainless Steel Nipple NPT SCH 40 Lot of 2

      C $4.93
      C $24.86 shipping
      Only 2 left
    • 1/2" Brass Hex Pipe Nipple NPT Threaded Connector Adapter (5-Pack) <122A-Dx5

      1/2" Brass Hex Pipe Nipple NPT Threaded Connector Adapter (5-Pack) <122A-Dx5

      C $20.46
      C $28.29 shipping
    • Barnes Quality Products #108728 PVC Pipe Nipple 1/2x5-1/2 #1348

      Barnes Quality Products #108728 PVC Pipe Nipple 1/2x5-1/2 #1348

      C $8.92
      C $27.79 shipping
    • Watts A-823 Pipe Plug 1/2" Square Head Plug PB109 Brand New In Package

      Watts A-823 Pipe Plug 1/2" Square Head Plug PB109 Brand New In Package

      C $11.46
      C $27.85 shipping
      or Best Offer
    • Pipe Nipple Thread End 316 Stainless Steel 1/2" x 4" Schedule 40 STD (Lot of 3)

      Pipe Nipple Thread End 316 Stainless Steel 1/2" x 4" Schedule 40 STD (Lot of 3)

      C $20.34
      C $35.70 shipping
      or Best Offer
    • 67 Pc 1/2" Pipe Galvanized Steel Pipe Nipple Set

      67 Pc 1/2" Pipe Galvanized Steel Pipe Nipple Set

      C $114.71
    • Pipe Nipple Thread End Fitting 316 Stainless Steel 1/2" x 10" Long Schedule 80

      Pipe Nipple Thread End Fitting 316 Stainless Steel 1/2" x 10" Long Schedule 80

      C $43.71
      C $31.17 shipping
      or Best Offer
    • (3) 1/2" x 1-1/8" L All Threaded Steel Pipe Nipple, Fitting, Connector

      (3) 1/2" x 1-1/8" L All Threaded Steel Pipe Nipple, Fitting, Connector

      C $7.65
    • New Southland 300 12 x 412 1/2" X 4-1/2" Black Steel Pipe Nipple

      New Southland 300 12 x 412 1/2" X 4-1/2" Black Steel Pipe Nipple

      C $2.03
      C $26.67 shipping
    • Pipe Nipple Thread End Fitting 316 Stainless Steel 1/2" x 12" Long Schedule 80

      Pipe Nipple Thread End Fitting 316 Stainless Steel 1/2" x 12" Long Schedule 80

      C $45.55
      C $31.19 shipping
      or Best Offer
    • Pipe Nipple Thread End 304 Stainless Steel 1/2" x 4" Long Schedule 40 (Lot of 5)

      Pipe Nipple Thread End 304 Stainless Steel 1/2" x 4" Long Schedule 40 (Lot of 5)

      C $24.32
      C $40.89 shipping
      or Best Offer
    • 1/2" Brass Hex Pipe Nipple NPT Threaded Connector Adapter <122A-D

      1/2" Brass Hex Pipe Nipple NPT Threaded Connector Adapter <122A-D

      C $7.98
      C $19.81 shipping
    • 1/2" BSPP Brass Pipe Fitting Female Coupling

      1/2" BSPP Brass Pipe Fitting Female Coupling

      C $4.08
      C $3.81 shipping
    • 1/2" BSPP Hex Head Female Cap Fitting Connector  Brsss Pipe Fitting

      1/2" BSPP Hex Head Female Cap Fitting Connector Brsss Pipe Fitting

      C $2.54
      C $3.81 shipping
    • Everbilt 1/2 in. x 2 in. MIP Brass Nipple Fitting

      Everbilt 1/2 in. x 2 in. MIP Brass Nipple Fitting

      C $3.44
      or Best Offer
    • Pipe Nipple Thread End 304 Stainless Steel 1/2" x 1-1/2" Schedule 40 (Lot of 7)

      Pipe Nipple Thread End 304 Stainless Steel 1/2" x 1-1/2" Schedule 40 (Lot of 7)

      C $15.70
      C $40.69 shipping
      or Best Offer
    • 30" Threaded Flexible Braided Stainless Bellows, 0.5" ID

      30" Threaded Flexible Braided Stainless Bellows, 0.5" ID

      C $201.40
      C $54.09 shipping

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