257B — RING,PISTON

NSN identities

• NSN 001735268 — RING,PISTON
• NSN 002478364 — RELAY,ELECTROMAGNETIC
• NSN 002692219 — POST,BINDING,ELECTRICAL
• NSN 009797520 — PLUG,VACUUM PUMP DR
• NSN 013728101 — VALVE,EXPANSION
• NSN 014577358 — MONITOR,PHASE
• NSN 014802078 — GAGE,SURFACE

Approved sources (CAGE)

• 0U583 SAE INTERNATIONAL · P/N AA59560-4
• 13499 ROCKWELL COLLINS, INC. · P/N 372-1061-000
• 18876 US ARMY AVIATION AND MISSILE COMMAND · P/N 8193581
• 51741 TIME MARK CORP
• 55974 HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS FORMER TEST SYSTEMS DIV · P/N 372-1061-000
• 58474 SUPERIOR ELECTRIC HOLDING GROUP LLC · P/N 372-1061-000
• 58553 SUPERIOR VALVE CO · P/N 257B-14S
• 72314 BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. · P/N 372-1061-000
• 80254 TEXTRON LYCOMING INC WILLIAMSPORT PLANT
• 8FGX3 CURTISS-WRIGHT ELECTRO-MECHANICAL CORP
• 91967 HALSIT HOLDINGS LLC · P/N 257103
• 04164 RAYTHEON COMPANY · P/N 227MS025P001