The Parts Kit,angle Valve, cataloged under National Stock Number 4820-01-491-8779, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-491-8779 |
| Item Name | Parts Kit,angle Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Component Quantity | 2 |
| Document Type | MFR DRAWING |
| Document Identification | D974-004 REV B |
| Criticality Code Justification | ZZZY |
| Document Source | 96101 |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Reference | Meaning |
|---|---|
| D974-004-100 REV B | 3/1 Design control — primary reference Cold Llc |
| D974-004-100 REV B | 5/9 Secondary reference U.S. Government activity |
| D974-004 REV B | D/9 Drawing number reference only U.S. Government activity |
| D974-004-100CP REV B | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
NSN 4820-01-491-8779 is a Parts Kit,angle Valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-491-8779: Component Quantity: 2; Document Type: MFR DRAWING; Document Identification: D974-004 REV B; Criticality Code Justification: ZZZY. 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.