The Seat,valve, cataloged under National Stock Number 4820-01-308-7187, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Flowserve Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Seat,valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Flowserve Inc (CAGE 63220) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-308-7187 |
| Primary Part Number | F-46662 .50IN ITEM 15 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Flowserve Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| F-46662 .50IN ITEM 15 PRIMARY | Flowserve Inc (USA) |
| Reference | Meaning |
|---|---|
| F-46662 REV-4 . | C/1 Advisory reference — outside the item-of-supply concept Flowserve Inc |
| F-46662 | D/9 Drawing number reference only Flowserve Inc |
NSN 4820-01-308-7187 is a Seat,valve, manufactured by Flowserve Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-308-7187 has 1 manufacturer part number on file: F-46662 .50IN ITEM 15 (Flowserve Inc).
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.