The Retainer,seat,valve, cataloged under National Stock Number 4820-00-561-7760, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-561-7760 |
| Primary Part Number | 8170437 |
| Item Name | Retainer,seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | CANCELLED |
| Material | STEEL CORROSION RESISTING |
| Valve Design Control Activity | 26505 |
| Nominal Thread Size | 0.438 INCHES IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| N684PC11 | Grove Valve Operations (USA) |
| 8170437 PRIMARY | Us Army Aviation and Missile Command (USA) |
| 22478 | Detroit Automotive Products Corp (USA) |
| 571-4900-1444484PC11 | Naval Ship Systems Command (USA) |
| 2478 | Grove Valve Operations (USA) |
| 22478 PRIMARY | Grove Valve Operations (USA) |
| 22478 | Grove Valve and Regulator Co (USA) |
NSN 4820-00-561-7760 is a Retainer,seat,valve, manufactured by Us Army Aviation and Missile Command, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-561-7760 has 7 cross-referenced part numbers: N684PC11 (Grove Valve Operations), 8170437 (Us Army Aviation and Missile Command), 22478 (Detroit Automotive Products Corp), 571-4900-1444484PC11 (Naval Ship Systems Command), 2478 (Grove Valve Operations) and 2 more.
There are 11 known substitutes for 4820-00-561-7760: 5310-00-072-0393, 5365-00-174-0476, 3120-00-216-9362 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 8170437: Overall Length: 0.488 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN; Material: STEEL CORROSION RESISTING; Valve Design Control Activity: 26505; Nominal Thread Size: 0.438 INCHES IN. 4 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-561-7760 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.