The Valve,vacuum Breaking, cataloged under National Stock Number 4820-01-466-1419, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is W.w. Grainger, Inc. Div Government Sales Division. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-466-1419 |
| Primary Part Number | 6A772 |
| Item Name | Valve,vacuum Breaking |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | W.w. Grainger, Inc. Div Government Sales Division |
| Status | ACTIVE |
| Temp Rating | 250.0 FAHRENHEIT DEGF |
| 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 |
|---|---|
| 6A772 PRIMARY | W.w. Grainger, Inc. Div Government Sales Division (USA) |
| Reference | Meaning |
|---|---|
| 6A772 | 5/9 Secondary reference Grainger Div of W W Grainger Inc |
NSN 4820-01-466-1419 is a Valve,vacuum Breaking, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-466-1419 has 1 manufacturer part number on file: 6A772 (W.w. Grainger, Inc. Div Government Sales Division).
Key specifications for 6A772: Temp Rating: 250.0 FAHRENHEIT DEGF; Special Features: 1/2 INCH MALE INLET CONNECTION, MAXIMUM OPERATING WORKING PRESSURE-200 PSI IN; Part Name Assigned by Controlling Agency: VACUUM RELIEF VALVE; End Item Identification: TOOL'S/EQUIPM; WSD: TICONDEROGA CLASS CG (47). 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.