The Cap,valve, cataloged under National Stock Number 4820-01-104-9481, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-104-9481 |
| Primary Part Number | A35179-2 1 1-2IN |
| Item Name | Cap,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Valve Type for Which Designed | CHECK |
| Valve Model Number for Which Designed | 376 |
| Valve Size for Which Designed | 1.500 INCHES IN |
| Material | IRON CAST |
| Attachment Method | BOLTS |
| 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 |
|---|---|
| A35179-2 1 1-2IN PRIMARY | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| A35179 | D/9 Drawing number reference only U.S. Government activity |
| A35179-2 1 1-2IN | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-104-9481 is a Cap,valve, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-104-9481 has 1 manufacturer part number on file: A35179-2 1 1-2IN (Hunt Valve Company, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-151-8935. Verify interchangeability with system specifications before substitution.
Key specifications for A35179-2 1 1-2IN: Valve Type for Which Designed: CHECK; Valve Model Number for Which Designed: 376; Valve Size for Which Designed: 1.500 INCHES IN; Material: IRON CAST. 5 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.