The Housing,valve,aircr, cataloged under National Stock Number 4120-01-520-6348, is classified within Federal Supply Class 4120 (Air Conditioning Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. 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 | 4120-01-520-6348 |
| Primary Part Number | 1002499-2 |
| Item Name | Housing,valve,aircr |
| FSC / FSG | 4120 / 41 — Air Conditioning Equipment |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| 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 | F |
| Part Number | Manufacturer |
|---|---|
| 1002499-2 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 4120-01-520-6348 is a Housing,valve,aircr, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 4120, Air Conditioning Equipment. Status: active.
NSN 4120-01-520-6348 has 1 manufacturer part number on file: 1002499-2 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
1 possible match (shared part number, not a government interchangeability claim): 4130-01-559-6527. Verify interchangeability with system specifications before substitution.
Key specifications for 1002499-2: Criticality Code Justification: AGAV; Part Name Assigned by Controlling Agency: (INAVY) HOUSING,VALVE; End Item Identification: F18 E/F FIGHTER AIRCRAFT. 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.