The Housing Assembly, cataloged under National Stock Number 1650-00-009-4291, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-009-4291 |
| Item Name | Housing Assembly |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| FSC Application Data | AIRCRAFT HYDRAULIC SYSTEM |
| General Characteristics Item Description | COMPONENT PARTS,PART NO. 53721 HOUSING 1,PART NO. MS21208F1-15INSERT 6,FSCM 75250 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 53809 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1650-00-009-4291 is a Housing Assembly, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 6605-00-337-1345, 6150-01-205-8435. Verify interchangeability with system specifications before substitution.
Key specifications for 1650-00-009-4291: FSC Application Data: AIRCRAFT HYDRAULIC SYSTEM; General Characteristics Item Description: COMPONENT PARTS,PART NO. 53721 HOUSING 1,PART NO. MS21208F1-15INSERT 6,FSCM 75250. 2 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.