The Valve,safety Relief, cataloged under National Stock Number 4820-01-376-2681, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sherwood Valve Llc Dba Sherwood Valve. Government technical data includes 9 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-376-2681 |
| Primary Part Number | GVHM6801-55 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sherwood Valve Llc Dba Sherwood Valve |
| Status | ACTIVE |
| Connection Type | THREADED INTERNAL GAS FITTING FIRST END |
| Style Designator | ANGLE |
| Adjustable Pressure Range | +3001.0 TO 5500.0 POUNDS PER SQUARE INCH LBS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 1.045 INCHES FIRST END IN |
| Maximum Operating Temp | 120.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Media for Which Designed | GAS, INERT SINGLE RESPONSE |
| Thread Series Designator | NGO ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| GVHM6801-55 PRIMARY | Sherwood Valve Llc Dba Sherwood Valve (USA) |
| 3206420-025 PRIMARY | Cosmodyne, Llc Dba Cosmodyne Llc (USA) |
| Reference | Meaning |
|---|---|
| TV68061-55 | 5/9 Secondary reference Harsco Corp Sherwood Div |
| 3206420-27 | C/1 Advisory reference — outside the item-of-supply concept Cosmodyne, Llc Dba Cosmodyne Llc |
| TV68061-55 | 3/9 Design control — primary reference Sherwood Distributors Inc |
| TV6861-55 | 5/9 Secondary reference Sherwood Distributors Inc |
| TV6861-55 | 5/9 Secondary reference Harsco Corp Sherwood Div |
NSN 4820-01-376-2681 is a Valve,safety Relief, manufactured by Sherwood Valve Llc Dba Sherwood Valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-376-2681 has 2 manufacturer part numbers on file: GVHM6801-55 (Sherwood Valve Llc Dba Sherwood Valve), 3206420-025 (Cosmodyne, Llc Dba Cosmodyne Llc).
Key specifications for GVHM6801-55: Connection Type: THREADED INTERNAL GAS FITTING FIRST END; Style Designator: ANGLE; Adjustable Pressure Range: +3001.0 TO 5500.0 POUNDS PER SQUARE INCH LBS; Thread Direction: RIGHT-HAND ALL ENDS. 9 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.