The Pump Subassembly,centrifugal, cataloged under National Stock Number 4320-01-573-4316, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-573-4316 |
| Item Name | Pump Subassembly,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Usage Design | AC MOTOR DRIVEN SELF-PRIMARY OVERRIDE PUMP |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Reference | Meaning |
|---|---|
| 60-989100-5 | 3/2 Design control — primary reference U.S. Government activity |
| 60B89004-16 | 5/2 Secondary reference U.S. Government activity |
| 4320PL1787513 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4320-01-573-4316 is a Pump Subassembly,centrifugal, classified under FSC 4320, Power and Hand Pumps. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 1680-01-621-9057. Verify interchangeability with system specifications before substitution.
Key specifications for 4320-01-573-4316: Criticality Code Justification: FEAT; Special Features: THIS COMPONENT IS SUBJECT TO CRITICAL DESIGN CONFIGURATION CONTROL LIMITATIONS (CDCCLS) AS DEFINED AND CONTROLLED BY SPECIAL FEDERAL REGULATION (SFAR) 88; DO NOT ATTEMPT TO MAINTAIN, REPAIR, REBUILD, OVERHAUL OR REMANUFACTURE THIS UNIT EXCEPT IN STRICT ACCORDANCE WITH THE METHODS, TECHNIQUES AND PRACTICES SPECIFIED IN THE COMPONENT MAINTENANCE MANUAL; ANY USE OF PARTS, METHODS, TECHNIQUES OR PRACTICES NOT CONTAINED IN THE CMM MUST BE APPROVED BY THE FAA OFFICE RESPONSIBLE FOR THE AIRPLANE MODE TYPE CERTIFICATE, OR APPLICABLE REGULATORY AGENCY; Part Name Assigned by Controlling Agency: MOTOR-IMPELLER SUBASSEMBLY; Usage Design: AC MOTOR DRIVEN SELF-PRIMARY OVERRIDE PUMP. 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.
NSN 4320-01-573-4316 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.