The Cap,valve, cataloged under National Stock Number 4820-01-176-9578, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is American Bristol Industries Inc.. 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 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 | 4820-01-176-9578 |
| Primary Part Number | 13183 |
| Item Name | Cap,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | American Bristol Industries Inc. |
| Status | ACTIVE |
| Material | STEEL |
| 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 |
|---|---|
| 13183 PRIMARY | American Bristol Industries Inc. (USA) |
NSN 4820-01-176-9578 is a Cap,valve, manufactured by American Bristol Industries Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-176-9578 has 1 manufacturer part number on file: 13183 (American Bristol Industries Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5180-01-588-9189. Verify interchangeability with system specifications before substitution.
Key specifications for 13183: Material: STEEL. 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.