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Measure your pipe and fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.
Standard-Wall Galvanized Steel Threaded Pipe Nipples and Pipe
Made of galvanized steel, this Schedule 40 pipe has fair corrosion resistance and is designed for low-pressure applications.
Welded pipe has a weld bead on the inside.
NPT Threaded on Both Ends—1/8 to 1 Pipe Size
- For Use With: Air, Natural Gas, Oil, Steam, Water
- Specifications Met: ASTM A733, ASME B1.20.1, ASTM A53
- Fittings: Use Class 125 or 150 galvanized iron and galvanized steel
- Flanges: Use Class 150 galvanized steel
| Lg. | Construction | Each | |
1/4 Pipe Size  | |||
|---|---|---|---|
| 1 1/2" | Welded | 4549K532 | 00000 |
| 2" | Welded | 4549K533 | 0000 |
| 2 1/2" | Welded | 4549K534 | 0000 |
| 3" | Welded | 4549K535 | 0000 |
| 3 1/2" | Welded | 4549K212 | 0000 |
| 4" | Welded | 4549K537 | 0000 |
| 4 1/2" | Welded | 4549K3 | 0000 |
| 5" | Welded | 4549K539 | 0000 |
| 5 1/2" | Welded | 4549K4 | 0000 |
| 6" | Welded | 4549K542 | 0000 |
| 6 1/2" | Welded | 4549K722 | 00000 |
| 7" | Welded | 4549K742 | 00000 |
| 8" | Welded | 4549K544 | 00000 |
| 9" | Welded | 4549K762 | 00000 |
| 10" | Welded | 4549K545 | 00000 |
| 11" | Welded | 4549K782 | 00000 |
| 12" | Welded | 4549K546 | 00000 |
| 14" | Welded | 4499K315 | 00000 |
| 16" | Welded | 4499K316 | 00000 |
| 18" | Welded | 4499K112 | 00000 |
| 20" | Welded | 4499K317 | 00000 |
| 22" | Welded | 4499K318 | 00000 |
| 24" | Welded | 4499K11 | 00000 |
| 36" | Welded | 4499K12 | 00000 |
| 48" | Welded | 4499K13 | 00000 |
| 60" | Welded | 4499K14 | 00000 |
| 72" | Welded | 4499K15 | 00000 |
| 126" | Welded | 4499K19 | 000000 |
3/8 Pipe Size | |||
| 1 1/2" | Welded | 4549K552 | 0000 |
| 2" | Welded | 4549K553 | 0000 |
| 2 1/2" | Welded | 4549K554 | 0000 |
| 3" | Welded | 4549K555 | 0000 |
| 3 1/2" | Welded | 4549K213 | 0000 |
| 4" | Welded | 4549K557 | 0000 |
| 4 1/2" | Welded | 4549K5 | 0000 |
| 5" | Welded | 4549K559 | 0000 |
| 5 1/2" | Welded | 4549K6 | 0000 |
| 6" | Welded | 4549K562 | 0000 |
| 6 1/2" | Welded | 4549K723 | 00000 |
| 7" | Welded | 4549K743 | 00000 |
| 8" | Welded | 4549K564 | 00000 |
| 9" | Welded | 4549K763 | 00000 |
| 10" | Welded | 4549K565 | 00000 |
| 11" | Welded | 4549K783 | 00000 |
| 12" | Welded | 4549K566 | 00000 |
| 14" | Welded | 4499K319 | 00000 |
| 16" | Welded | 4499K321 | 00000 |
| 18" | Welded | 4499K113 | 00000 |
| 20" | Welded | 4499K322 | 00000 |
| 22" | Welded | 4499K323 | 00000 |
| 24" | Welded | 4499K21 | 00000 |
| 36" | Welded | 4499K22 | 00000 |
| 48" | Welded | 4499K23 | 00000 |
| 60" | Welded | 4499K24 | 00000 |
| 72" | Welded | 4499K25 | 00000 |
| 126" | Welded | 4499K29 | 000000 |
1/2 Pipe Size | |||
| 1 1/2" | Welded | 4549K572 | 0000 |
| 2" | Welded | 4549K573 | 0000 |
| 2 1/2" | Welded | 4549K574 | 0000 |
| 3" | Welded | 4549K575 | 0000 |
| 3 1/2" | Welded | 4549K214 | 0000 |
| 4" | Welded | 4549K577 | 0000 |
| 4 1/2" | Welded | 4549K7 | 0000 |
| 5" | Welded | 4549K579 | 0000 |
| 5 1/2" | Welded | 4549K8 | 0000 |
| 6" | Welded | 4549K582 | 0000 |
| 6 1/2" | Welded | 4549K724 | 0000 |
| 7" | Welded | 4549K744 | 0000 |
| 8" | Welded | 4549K584 | 0000 |
| 9" | Welded | 4549K764 | 00000 |
| 10" | Welded | 4549K585 | 00000 |
| 11" | Welded | 4549K795 | 00000 |
| 12" | Welded | 4549K586 | 00000 |
| 14" | Welded | 4499K324 | 00000 |
| 16" | Welded | 4499K325 | 00000 |
| 18" | Welded | 4499K114 | 00000 |
| 20" | Welded | 4499K326 | 00000 |
| 22" | Welded | 4499K327 | 00000 |
| 24" | Welded | 4499K31 | 00000 |
| 36" | Welded | 4499K32 | 00000 |
| 48" | Welded | 4499K33 | 00000 |
| 60" | Welded | 4499K34 | 00000 |
| 72" | Welded | 4499K35 | 00000 |
| 126" | Welded | 4499K39 | 000000 |
| Lg. | Construction | Each | |
3/4 Pipe Size | |||
|---|---|---|---|
| 1 1/2" | Welded | 4549K592 | 00000 |
| 2" | Welded | 4549K593 | 0000 |
| 2 1/2" | Welded | 4549K594 | 0000 |
| 3" | Welded | 4549K595 | 0000 |
| 3 1/2" | Welded | 4549K215 | 0000 |
| 4" | Welded | 4549K597 | 0000 |
| 4 1/2" | Welded | 4549K9 | 0000 |
| 5" | Welded | 4549K599 | 0000 |
| 5 1/2" | Welded | 4549K11 | 0000 |
| 6" | Welded | 4549K602 | 0000 |
| 6 1/2" | Welded | 4549K725 | 00000 |
| 7" | Welded | 4549K745 | 00000 |
| 8" | Welded | 4549K604 | 00000 |
| 9" | Welded | 4549K765 | 00000 |
| 10" | Welded | 4549K605 | 00000 |
| 11" | Welded | 4549K785 | 00000 |
| 12" | Welded | 4549K606 | 00000 |
| 14" | Welded | 4499K328 | 00000 |
| 16" | Welded | 4499K329 | 00000 |
| 18" | Welded | 4499K115 | 00000 |
| 20" | Welded | 4499K331 | 00000 |
| 22" | Welded | 4499K332 | 00000 |
| 24" | Welded | 4499K41 | 00000 |
| 36" | Welded | 4499K42 | 00000 |
| 48" | Welded | 4499K43 | 00000 |
| 60" | Welded | 4499K44 | 00000 |
| 72" | Welded | 4499K45 | 00000 |
| 126" | Welded | 4499K49 | 000000 |
1 Pipe Size | |||
| 2" | Welded | 4549K612 | 0000 |
| 2 1/2" | Welded | 4549K613 | 0000 |
| 3" | Welded | 4549K614 | 0000 |
| 3 1/2" | Welded | 4549K216 | 0000 |
| 4" | Welded | 4549K616 | 0000 |
| 4 1/2" | Welded | 4549K12 | 0000 |
| 5" | Welded | 4549K618 | 0000 |
| 5 1/2" | Welded | 4549K13 | 0000 |
| 6" | Welded | 4549K621 | 0000 |
| 6 1/2" | Welded | 4549K726 | 00000 |
| 7" | Welded | 4549K746 | 00000 |
| 8" | Welded | 4549K623 | 00000 |
| 9" | Welded | 4549K766 | 00000 |
| 10" | Welded | 4549K624 | 00000 |
| 11" | Welded | 4549K786 | 00000 |
| 12" | Welded | 4549K625 | 00000 |
| 14" | Welded | 4499K333 | 00000 |
| 16" | Welded | 4499K334 | 00000 |
| 18" | Welded | 4499K116 | 00000 |
| 20" | Welded | 4499K335 | 00000 |
| 22" | Welded | 4499K336 | 00000 |
| 24" | Welded | 4499K51 | 00000 |
| 36" | Welded | 4499K52 | 00000 |
| 48" | Welded | 4499K53 | 00000 |
| 60" | Welded | 4499K54 | 00000 |
| 72" | Welded | 4499K55 | 00000 |
| 126" | Welded | 4499K59 | 000000 |
NPT Threaded on Both Ends—1 1/4 to 6 Pipe Size
- For Use With: Air, Natural Gas, Oil, Steam, Water
- Specifications Met: ASTM A733, ASME B1.20.1, ASTM A53
- Fittings: Use Class 125 or 150 galvanized iron and galvanized steel
- Flanges: Use Class 150 galvanized steel
| Lg. | Construction | Each | |
1 1/4 Pipe Size | |||
|---|---|---|---|
| 2" | Welded | 4549K632 | 00000 |
| 2 1/2" | Welded | 4549K633 | 0000 |
| 3" | Welded | 4549K634 | 0000 |
| 3 1/2" | Welded | 4549K217 | 0000 |
| 4" | Welded | 4549K636 | 0000 |
| 4 1/2" | Welded | 4549K14 | 0000 |
| 5" | Welded | 4549K638 | 0000 |
| 5 1/2" | Welded | 4549K15 | 00000 |
| 6" | Welded | 4549K641 | 00000 |
| 6 1/2" | Welded | 4549K727 | 00000 |
| 7" | Welded | 4549K747 | 00000 |
| 8" | Welded | 4549K643 | 00000 |
| 9" | Welded | 4549K767 | 00000 |
| 10" | Welded | 4549K644 | 00000 |
| 11" | Welded | 4549K787 | 00000 |
| 12" | Welded | 4549K645 | 00000 |
| 14" | Welded | 4499K337 | 00000 |
| 16" | Welded | 4499K338 | 00000 |
| 18" | Welded | 4499K117 | 00000 |
| 20" | Welded | 4499K339 | 00000 |
| 22" | Welded | 4499K341 | 00000 |
| 24" | Welded | 4499K61 | 00000 |
| 36" | Welded | 4499K62 | 00000 |
| 48" | Welded | 4499K63 | 00000 |
| 60" | Welded | 4499K64 | 00000 |
| 72" | Welded | 4499K65 | 000000 |
| 126" | Welded | 4499K69 | 000000 |
1 1/2 Pipe Size | |||
| 2" | Welded | 4549K652 | 0000 |
| 2 1/2" | Welded | 4549K653 | 0000 |
| 3" | Welded | 4549K654 | 0000 |
| 3 1/2" | Welded | 4549K218 | 0000 |
| 4" | Welded | 4549K656 | 0000 |
| 4 1/2" | Welded | 4549K16 | 00000 |
| 5" | Welded | 4549K658 | 00000 |
| 5 1/2" | Welded | 4549K17 | 00000 |
| 6" | Welded | 4549K661 | 00000 |
| 6 1/2" | Welded | 4549K728 | 00000 |
| 7" | Welded | 4549K748 | 00000 |
| 8" | Welded | 4549K663 | 00000 |
| 9" | Welded | 4549K768 | 00000 |
| 10" | Welded | 4549K664 | 00000 |
| 11" | Welded | 4549K788 | 00000 |
| 12" | Welded | 4549K665 | 00000 |
| 14" | Welded | 4499K342 | 00000 |
| 16" | Welded | 4499K343 | 00000 |
| 18" | Welded | 4499K118 | 00000 |
| 20" | Welded | 4499K344 | 00000 |
| 22" | Welded | 4499K345 | 00000 |
| 24" | Welded | 4499K71 | 00000 |
| 36" | Welded | 4499K72 | 00000 |
| 48" | Welded | 4499K73 | 00000 |
| 60" | Welded | 4499K74 | 000000 |
| 72" | Welded | 4499K75 | 000000 |
| 126" | Welded | 4499K79 | 000000 |
2 Pipe Size | |||
| 2 1/2" | Welded | 4549K672 | 0000 |
| 3" | Welded | 4549K873 | 0000 |
| 3 1/2" | Welded | 4549K219 | 00000 |
| 4" | Welded | 4549K875 | 00000 |
| 4 1/2" | Welded | 4549K18 | 00000 |
| 5" | Welded | 4549K877 | 00000 |
| 5 1/2" | Welded | 4549K19 | 00000 |
| 6" | Welded | 4549K679 | 00000 |
| 6 1/2" | Welded | 4549K729 | 00000 |
| 7" | Welded | 4549K749 | 00000 |
| 8" | Welded | 4549K682 | 00000 |
| 9" | Welded | 4549K769 | 00000 |
| 10" | Welded | 4549K683 | 00000 |
| 11" | Welded | 4549K789 | 00000 |
| 12" | Welded | 4549K784 | 00000 |
| 14" | Welded | 4499K346 | 00000 |
| 16" | Welded | 4499K347 | 00000 |
| 18" | Welded | 4499K119 | 00000 |
| 20" | Welded | 4499K348 | 00000 |
| 22" | Welded | 4499K349 | 00000 |
| 24" | Welded | 4499K81 | 00000 |
| 36" | Welded | 4499K82 | 00000 |
| 48" | Welded | 4499K83 | 000000 |
| 60" | Welded | 4499K84 | 000000 |
| 72" | Welded | 4499K85 | 000000 |
| 126" | Welded | 4499K89 | 000000 |
2 1/2 Pipe Size | |||
| 3" | Welded | 4549K883 | 00000 |
| 3 1/2" | Welded | 4549K221 | 00000 |
| 4" | Welded | 4549K885 | 00000 |
| 4 1/2" | Welded | 4549K21 | 00000 |
| 5" | Welded | 4549K887 | 00000 |
| 5 1/2" | Welded | 4549K22 | 00000 |
| 6" | Welded | 4549K689 | 00000 |
| 6 1/2" | Welded | 4549K731 | 00000 |
| 7" | Welded | 4549K751 | 00000 |
| 8" | Welded | 4549K692 | 00000 |
| 9" | Welded | 4549K771 | 00000 |
| 10" | Welded | 4549K693 | 00000 |
| 11" | Welded | 4549K791 | 00000 |
| 12" | Welded | 4549K794 | 00000 |
| 14" | Welded | 4499K351 | 00000 |
| 16" | Welded | 4499K352 | 00000 |
| 18" | Welded | 4499K121 | 00000 |
| 20" | Welded | 4499K353 | 000000 |
| 22" | Welded | 4499K354 | 000000 |
| 24" | Welded | 4499K16 | 000000 |
| 36" | Welded | 4499K26 | 000000 |
| 48" | Welded | 4499K36 | 000000 |
| 60" | Welded | 4499K46 | 000000 |
| 72" | Welded | 4499K56 | 000000 |
| 126" | Welded | 4499K66 | 000000 |
| Lg. | Construction | Each | |
3 Pipe Size | |||
|---|---|---|---|
| 3" | Welded | 4549K893 | 000000 |
| 3 1/2" | Welded | 4549K222 | 00000 |
| 4" | Welded | 4549K895 | 00000 |
| 4 1/2" | Welded | 4549K23 | 00000 |
| 5" | Welded | 4549K897 | 00000 |
| 5 1/2" | Welded | 4549K24 | 00000 |
| 6" | Welded | 4549K699 | 00000 |
| 6 1/2" | Welded | 4549K732 | 00000 |
| 7" | Welded | 4549K752 | 00000 |
| 8" | Welded | 4549K702 | 00000 |
| 9" | Welded | 4549K772 | 00000 |
| 10" | Welded | 4549K703 | 00000 |
| 11" | Welded | 4549K792 | 00000 |
| 12" | Welded | 4549K804 | 00000 |
| 14" | Welded | 4499K355 | 000000 |
| 16" | Welded | 4499K356 | 000000 |
| 18" | Welded | 4499K122 | 000000 |
| 20" | Welded | 4499K357 | 000000 |
| 22" | Welded | 4499K358 | 000000 |
| 24" | Welded | 4499K17 | 000000 |
| 36" | Welded | 4499K27 | 000000 |
| 48" | Welded | 4499K77 | 000000 |
| 60" | Welded | 4499K87 | 000000 |
| 72" | Welded | 4499K57 | 000000 |
| 126" | Welded | 4499K67 | 000000 |
4 Pipe Size | |||
| 4" | Welded | 4549K905 | 00000 |
| 4 1/2" | Welded | 4549K25 | 00000 |
| 5" | Welded | 4549K907 | 00000 |
| 5 1/2" | Welded | 4549K26 | 00000 |
| 6" | Welded | 4549K709 | 00000 |
| 6 1/2" | Welded | 4549K733 | 00000 |
| 7" | Welded | 4549K753 | 00000 |
| 8" | Welded | 4549K712 | 00000 |
| 9" | Welded | 4549K773 | 00000 |
| 10" | Welded | 4549K713 | 00000 |
| 11" | Welded | 4549K793 | 00000 |
| 12" | Welded | 4549K814 | 00000 |
| 14" | Welded | 4499K359 | 000000 |
| 16" | Welded | 4499K361 | 000000 |
| 18" | Welded | 4499K123 | 000000 |
| 20" | Welded | 4499K362 | 000000 |
| 22" | Welded | 4499K363 | 000000 |
| 24" | Welded | 4499K18 | 000000 |
| 36" | Welded | 4499K28 | 000000 |
| 48" | Welded | 4499K78 | 000000 |
| 60" | Welded | 4499K88 | 000000 |
| 72" | Welded | 4499K58 | 000000 |
| 126" | Welded | 4499K68 | 00000000 |
6 Pipe Size | |||
| 4" | Welded | 4549K906 | 000000 |
| 4 1/2" | Welded | 4549K28 | 000000 |
| 5" | Welded | 4549K908 | 000000 |
| 5 1/2" | Welded | 4549K27 | 000000 |
| 6" | Welded | 4549K708 | 000000 |
| 6 1/2" | Welded | 4549K734 | 000000 |
| 7" | Welded | 4549K754 | 000000 |
| 8" | Welded | 4549K716 | 000000 |
| 9" | Welded | 4549K774 | 000000 |
| 10" | Welded | 4549K715 | 000000 |
| 11" | Welded | 4549K796 | 000000 |
| 12" | Welded | 4549K815 | 000000 |
| 14" | Welded | 4499K364 | 000000 |
| 16" | Welded | 4499K365 | 000000 |
| 18" | Welded | 4499K124 | 000000 |
| 20" | Welded | 4499K366 | 000000 |
| 22" | Welded | 4499K367 | 000000 |
| 24" | Welded | 4499K96 | 000000 |
| 36" | Welded | 4499K97 | 00000000 |
| 48" | Welded | 4499K76 | 00000000 |
| 60" | Welded | 4499K86 | 00000000 |
| 72" | Welded | 4499K98 | 00000000 |
| 126" | Welded | 4499K37 | 00000000 |