The Valve,vent, cataloged under National Stock Number 4820-01-545-9546, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-545-9546 |
| Primary Part Number | 1002177 |
| Item Name | Valve,vent |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp |
| Status | ACTIVE |
| 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 |
|---|---|
| 1002177 | General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA) |
| Reference | Meaning |
|---|---|
| 836-0222 | 3/9 Design control — primary reference Meritor Specialty Products Llc |
NSN 4820-01-545-9546 is a Valve,vent, manufactured by General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-545-9546 has 1 manufacturer part number on file: 1002177 (General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-598-8093. Verify interchangeability with system specifications before substitution.
Key specifications for 1002177: Part Name Assigned by Controlling Agency: AXLE HOUSING VENT; End Item Identification: 2320-01-529-2249 BOMB SERVICE TRUCK. 0 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.