The Parts Kit Ball Valv, cataloged under National Stock Number 4820-01-529-2976, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-529-2976 |
| Primary Part Number | 211055764 AND 211055787Q3 |
| Item Name | Parts Kit Ball Valv |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | ITEMS THAT SUPPORT A LEVEL 1 OR SUBSAFE CRITICAL SYSTEM THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 211055764 AND 211055787Q3 | Naval Inventory Control Point Mechanicsburg (USA) |
| DF330644 FIND 167, 168Q3 | Naval Inventory Control Point Mechanicsburg (USA) |
| 801-6408784 FIND 167, 168Q3 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 211055764 AND 211055787 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| DF330644 FIND 167, 168 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 801-6408784 FIND 167, 168 | 3/1 Design control — primary reference Naval Sea Systems Command |
NSN 4820-01-529-2976 is a Parts Kit Ball Valv, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-529-2976 has 3 manufacturer part numbers on file: 211055764 AND 211055787Q3 (Naval Inventory Control Point Mechanicsburg), DF330644 FIND 167, 168Q3 (Naval Inventory Control Point Mechanicsburg), 801-6408784 FIND 167, 168Q3 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 211055764 AND 211055787Q3: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: ITEMS THAT SUPPORT A LEVEL 1 OR SUBSAFE CRITICAL SYSTEM THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS. 2 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.
NSN 4820-01-529-2976 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.