The Parts Kit,ball Valve, cataloged under National Stock Number 4820-01-497-1970, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-497-1970 |
| Primary Part Number | 803-5001003-X7XX-51A,123 |
| Item Name | Parts Kit,ball Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Component Quantity | 2 |
| Document Type | PARTS LIST |
| Component Document Page Number | 11 |
| Document Identification | 5001003 |
| Supply Items and Quantities | 53711 803-5001003-X7X2-51A BALL 1; 53711 803-5001003-X7X2-123 SEAT 1 A |
| Component Document Origin | GOVERNMENT |
| Unit Package Quantity | 1 |
| Document Source | 53711 |
| 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 |
|---|---|
| 803-5001003-X7XX-51A,123 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 803-5001003-X7X2-51A,123 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 4820-01-497-1970 is a Parts Kit,ball Valve, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-497-1970 has 1 manufacturer part number on file: 803-5001003-X7XX-51A,123 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-633-3271. Verify interchangeability with system specifications before substitution.
Key specifications for 803-5001003-X7XX-51A,123: Component Quantity: 2; Document Type: PARTS LIST; Component Document Page Number: 11; Document Identification: 5001003. 8 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.