The Housing,liquid Pump, cataloged under National Stock Number 4320-00-321-2022, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4320-00-321-2022 |
| Primary Part Number | 357971 |
| Item Name | Housing,liquid Pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| Material | STEEL |
| 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 |
|---|---|
| 357971 | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| 357971 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| Reference | Meaning |
|---|---|
| 357971 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
| 357971 | 5/9 Secondary reference U.S. Government activity |
NSN 4320-00-321-2022 is a Housing,liquid Pump, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-321-2022 has 2 manufacturer part numbers on file: 357971 (Honeywell International Inc. Div Aerospace - Torrance), 357971 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
1 possible match (shared part number, not a government interchangeability claim): 6625-01-303-7029. Verify interchangeability with system specifications before substitution.
Key specifications for 357971: Special Features: INCLUDES PIN AND BUSHING; End Item Identification: PUMP,GARRETT TURBINE ENGINE CO,MODEL CSOS106-10; Material: STEEL. 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.