The Pump,rotary, cataloged under National Stock Number 4320-01-446-6575, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Rolls-Royce Corporation. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-446-6575 |
| Primary Part Number | 23087916 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Supplementary Features | METALLIC MAIN BODY,HARDENED STEEL GEARS,POURUS FILTER MEDIA,ELETRICAL CONNECTORS |
| 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 |
|---|---|
| 23087916 PRIMARY | Rolls-Royce Corporation (USA) |
| 23092046 PRIMARY | Rolls-Royce Corporation (USA) |
| 23072685 | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 23061016 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 23061016 | 5/9 Secondary reference Rolls-Royce Corporation |
NSN 4320-01-446-6575 is a Pump,rotary, manufactured by Rolls-Royce Corporation, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-446-6575 has 3 manufacturer part numbers on file: 23087916 (Rolls-Royce Corporation), 23092046 (Rolls-Royce Corporation), 23072685 (Rolls-Royce Corporation).
1 possible match (shared part number, not a government interchangeability claim): 2840-01-497-4108. Verify interchangeability with system specifications before substitution.
Key specifications for 23087916: Supplementary Features: METALLIC MAIN BODY,HARDENED STEEL GEARS,POURUS FILTER MEDIA,ELETRICAL CONNECTORS; Special Features: OIL PRESSURE AND SCAVENGE PUMP ASSEMBLY FOR THE PROPELLER GEARBOX; Part Name Assigned by Controlling Agency: OIL PUMP ASSEMBLY-PROPELLER GEARBOX; End Item Identification: C130-J HERCULES ACFT. 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.