The Parts Kit,ball Valve, cataloged under National Stock Number 4820-01-332-1952, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-332-1952 |
| Primary Part Number | 2640-683X3 PIECE 29AND31 |
| Item Name | Parts Kit,ball Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| End Item Source | 80064 |
| End Item Name | 0.750IPS BALL VALVE COMBN |
| 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 |
|---|---|
| 2640-683X3 PIECE 29AND31 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| SSN594-209-2431343PC1TITM3DLRN | 5/2 Secondary reference U.S. Government activity |
| SS845-2180928 PIECE 29AND31 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-332-1952 is a Parts Kit,ball Valve, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-332-1952 has 1 manufacturer part number on file: 2640-683X3 PIECE 29AND31 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 2640-683X3 PIECE 29AND31: End Item Source: 80064; End Item Name: 0.750IPS BALL VALVE COMBN; End Item Identification: 845-2180928. 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.
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.