The Pump Subassembly,axial Piston,hy, cataloged under National Stock Number 4320-01-487-2791, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Triumph Actuation Systems Llc Div Triumph Actuation Systems - Clemmons. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-487-2791 |
| Primary Part Number | 4112166-1 |
| Item Name | Pump Subassembly,axial Piston,hy |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Triumph Actuation Systems Llc Div Triumph Actuation Systems - Clemmons |
| Status | ACTIVE |
| Component Quantity | 9 |
| Major Components | PISTON SHOE 9 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4112166-1 PRIMARY | Triumph Actuation Systems Llc Div Triumph Actuation Systems - Clemmons (USA) |
| Reference | Meaning |
|---|---|
| 4112166-1 | 5/9 Secondary reference Honeywell International Inc Div Aerospace-South Bend (bendix Dr) |
NSN 4320-01-487-2791 is a Pump Subassembly,axial Piston,hy, manufactured by Triumph Actuation Systems Llc Div Triumph Actuation Systems - Clemmons, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-487-2791 has 1 manufacturer part number on file: 4112166-1 (Triumph Actuation Systems Llc Div Triumph Actuation Systems - Clemmons).
Key specifications for 4112166-1: Component Quantity: 9; Major Components: PISTON SHOE 9; Special Features: ITEM AKA: ASSEMBLY SET, PISTON SHOE USED ON PISTON MATCHED ASSEMBLY, HANGER RETAINER; NHA: P/N 4111016-1, NSN: 1650-01-302-3404; End Item Identification: F-16 AIRCRAFT. 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 4320-01-487-2791 has DEMIL Code B. 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.