The Seat,valve, cataloged under National Stock Number 4820-01-469-7006, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-469-7006 |
| Primary Part Number | 803-5001003-X2X1-04 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Taper Minor Diameter | 0.562 INCHES NOMINAL IN |
| Taper Major Diameter | 0.930 INCHES NOMINAL IN |
| Seat Radius | 0.465 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAT |
| Seat Angle in Deg | 33.000 MINIMUM AND 35.000 MAXIMUM |
| Seating Surface Shape | ANGULAR |
| 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 |
|---|---|
| 803-5001003-X2X1-04 PRIMARY | Naval Sea Systems Command (USA) |
| HBV-S2-03-0002-04 | B N L Industries Inc (USA) |
| HBV-S2-02-0003-04 | B N L Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 5001003 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4820-01-469-7006 is a Seat,valve, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-469-7006 has 3 manufacturer part numbers on file: 803-5001003-X2X1-04 (Naval Sea Systems Command), HBV-S2-03-0002-04 (B N L Industries Inc), HBV-S2-02-0003-04 (B N L Industries Inc).
Key specifications for 803-5001003-X2X1-04: Taper Minor Diameter: 0.562 INCHES NOMINAL IN; Taper Major Diameter: 0.930 INCHES NOMINAL IN; Seat Radius: 0.465 INCHES NOMINAL IN; Special Features: NHA 3/8 IN. VALVE, BALL IN. 6 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.