The Seat,valve, cataloged under National Stock Number 4820-01-371-5808, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Mission Systems Orchard Park Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-371-5808 |
| Primary Part Number | B16083REV B |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Mission Systems Orchard Park Inc |
| Status | ACTIVE |
| Seal Accommodation Type | GROOVED |
| Seat Radius | 0.005 INCHES NOMINAL IN |
| Seating Surface Shape | RADIAL |
| 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 |
|---|---|
| B15830-30REV C ITEM NO. 36 | Mission Systems Orchard Park Inc (USA) |
| B16083-1 | Mission Systems Orchard Park Inc (USA) |
| B16083REV D | Mission Systems Orchard Park Inc (USA) |
| B15830-30 REV H ITEM 36 | Mission Systems Orchard Park Inc (USA) |
| B16083REV B PRIMARY | Mission Systems Orchard Park Inc (USA) |
| Reference | Meaning |
|---|---|
| B15830-30REV C ITEM NO. 36 | 5/9 Secondary reference Carleton Technologies Inc Div Tampa Facility |
| B16083REV B | 5/9 Secondary reference Carleton Technologies Inc Div Tampa Facility |
| B16083-1 | 5/9 Secondary reference Carleton Technologies Inc Div Tampa Facility |
NSN 4820-01-371-5808 is a Seat,valve, manufactured by Mission Systems Orchard Park Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-371-5808 has 5 manufacturer part numbers on file: B15830-30REV C ITEM NO. 36 (Mission Systems Orchard Park Inc), B16083-1 (Mission Systems Orchard Park Inc), B16083REV D (Mission Systems Orchard Park Inc), B15830-30 REV H ITEM 36 (Mission Systems Orchard Park Inc), B16083REV B (Mission Systems Orchard Park Inc).
Key specifications for B16083REV B: Seal Accommodation Type: GROOVED; Seat Radius: 0.005 INCHES NOMINAL IN; Seating Surface Shape: RADIAL. 3 specifications are 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.