The Valve,gate, cataloged under National Stock Number 4820-00-288-7181, 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 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 4820-00-288-7181 |
| Primary Part Number | S7701-540508PC223 |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Connection Type | THREADED INTERNAL PIPE |
| Valve Size | 0.750 INCHES IN |
| Nominal Thread Size | 0.750 INCHES IN |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY STEM |
| Material | COPPER ALLOY DISK |
| Material | COPPER ALLOY SEAT |
| Thread Series Designator | NPT |
| 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 |
|---|---|
| 50205-223 | Puget Sound Commerce Center, Inc. (USA) |
| S7701-540508PC223 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 50205-223 | 5/9 Secondary reference Todd Shipyards Corp |
| S7701-540508PC223 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-00-288-7181 is a Valve,gate, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-288-7181 has 2 manufacturer part numbers on file: 50205-223 (Puget Sound Commerce Center, Inc.), S7701-540508PC223 (Naval Sea Systems Command).
Key specifications for S7701-540508PC223: Inlet Relationship with Outlet: IDENTICAL; Connection Type: THREADED INTERNAL PIPE; Valve Size: 0.750 INCHES IN; Nominal Thread Size: 0.750 INCHES IN. 10 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.