The Seat,valve, cataloged under National Stock Number 4820-00-336-9252, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-336-9252 |
| Primary Part Number | 8170486 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | CANCELLED |
| Body Inside Diameter | 0.125 INCHES NOMINAL IN |
| Seating Surface Shape | FLAT |
| Style Designator | THREADED FLANGED |
| Material | STEEL CORROSION RESISTING OVERALL |
| Flange Seat to Disk End Height | 0.125 INCHES NOMINAL IN |
| Flange Diameter | 0.562 INCHES NOMINAL IN |
| Under Flange Height | 0.406 INCHES NOMINAL IN |
| Seal Accommodation Type | RECESSED |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 571-4900-1444484PC12 | Naval Ship Systems Command (USA) |
| N684PC12 | Graver Tank and Mfg Co Northeast Region (USA) |
| 8170486 PRIMARY | Us Army Aviation and Missile Command (USA) |
| 22477 | Grove Valve and Regulator Co (USA) |
| 22477 PRIMARY | Grove Valve Operations (USA) |
| N684PC12 PRIMARY | Grove Valve Operations (USA) |
| 571-4900-1444484PC12 | Naval Sea Systems Command (USA) |
NSN 4820-00-336-9252 is a Seat,valve, manufactured by Us Army Aviation and Missile Command, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-336-9252 has 7 cross-referenced part numbers: 571-4900-1444484PC12 (Naval Ship Systems Command), N684PC12 (Graver Tank and Mfg Co Northeast Region), 8170486 (Us Army Aviation and Missile Command), 22477 (Grove Valve and Regulator Co), 22477 (Grove Valve Operations) and 2 more.
There are 9 known substitutes for 4820-00-336-9252: 8030-00-082-2508, 9540-00-148-4327, 9540-00-247-2176 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 8170486: Body Inside Diameter: 0.125 INCHES NOMINAL IN; Seating Surface Shape: FLAT; Style Designator: THREADED FLANGED; Material: STEEL CORROSION RESISTING OVERALL. 8 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-336-9252 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.