The Valve,gate, cataloged under National Stock Number 4810-01-218-7950, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-218-7950 |
| Primary Part Number | 803-5184176 |
| Item Name | Valve,gate |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 803-5184176 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| S6505H-3313239 | D/9 Drawing number reference only U.S. Government activity |
| PM-VAL-621-34 | 5/9 Secondary reference Marine Electric Systems Inc |
| PM-CN8S3A | 5/9 Secondary reference Marine Electric Systems Inc |
NSN 4810-01-218-7950 is a Valve,gate, manufactured by Naval Sea Systems Command, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-218-7950 has 1 manufacturer part number on file: 803-5184176 (Naval Sea Systems Command).
3 possible matches (shared part number, not a government interchangeability claim): 4820-01-254-7877, 4820-01-265-2576, 4820-01-378-4714. Verify interchangeability with system specifications before substitution.
Key specifications for 803-5184176: Valve Operation Method: MANUAL. 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.