The Seat,valve, cataloged under National Stock Number 4820-01-578-6798, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Flowserve Us Company Div Flow Control Division. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-578-6798 |
| Primary Part Number | 004682.831.000 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Flowserve Us Company Div Flow Control Division |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING SEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 004682.831.000 | Pro-Quip Inc (USA) |
| 004682.831.000 PRIMARY | Flowserve Us Company Div Flow Control Division (USA) |
| PL229626.006 ITEM 20 | Flowserve Us Company Div Flow Control Division (USA) |
| 10010107 | Flowserve Us Company Div Flow Control Division (USA) |
NSN 4820-01-578-6798 is a Seat,valve, manufactured by Flowserve Us Company Div Flow Control Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-578-6798 has 4 manufacturer part numbers on file: 004682.831.000 (Pro-Quip Inc), 004682.831.000 (Flowserve Us Company Div Flow Control Division), PL229626.006 ITEM 20 (Flowserve Us Company Div Flow Control Division), 10010107 (Flowserve Us Company Div Flow Control Division).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-623-8398. Verify interchangeability with system specifications before substitution.
Key specifications for 004682.831.000: Part Name Assigned by Controlling Agency: SEAT RING; End Item Identification: VALVE,GLOBE 229626.006;TRANS ALT AS39-048; Material: STEEL CORROSION RESISTING SEAT. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.