The Relay Shut Down,air, cataloged under National Stock Number 4920-01-491-5359, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Halp 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 | 4920-01-491-5359 |
| Primary Part Number | 36856250 |
| Item Name | Relay Shut Down,air |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Halp Inc |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 36856250 PRIMARY | Halp Inc (USA) |
NSN 4920-01-491-5359 is a Relay Shut Down,air, manufactured by Halp Inc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-491-5359 has 1 manufacturer part number on file: 36856250 (Halp Inc).
1 possible match (shared part number, not a government interchangeability claim): 5945-01-501-5481. Verify interchangeability with system specifications before substitution.
Key specifications for 36856250: Criticality Code Justification: AGAV; Part Name Assigned by Controlling Agency: (INAVY)RELAY SHUT DOWN,AIRCRAFT; End Item Identification: AIR COMPRESSOR 01-481-7772;ARMAMENT TRAILER. 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.