The Pumping Unit,hydraulic,hand Driv, cataloged under National Stock Number 4320-00-997-2107, 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 - Connecticut, Llc. Government technical data includes 11 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-997-2107 |
| Primary Part Number | OAS-2950-7 |
| Item Name | Pumping Unit,hydraulic,hand Driv |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Triumph Actuation Systems - Connecticut, Llc |
| Status | ACTIVE |
| FSC Application Data | AIRCRAFT HYDRAULIC,VACUUM,DEICING SYSTEMS |
| Pump Type | RECIPROCATING |
| Manifolding Hose Set | NOT INCLUDED |
| Pump Drive Type | HAND |
| Outlet Quantity | 1 |
| Hydraulic Fluid Reservoir | NOT INCLUDED |
| Portability | PORTABLE |
| Pump Quantity | 1 |
| Fluid Filter | NOT INCLUDED |
| Functional Description | NHA LANDING GEAR HYDRAULIC SYSTEM,CESSNA O-2 AIRCRAFT |
| Accumulator | NOT INCLUDED |
| 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 |
|---|---|
| 1580005-2 | Textron Aviation Inc (USA) |
| OAS-2950-7 PRIMARY | Triumph Actuation Systems - Connecticut, Llc (USA) |
| Reference | Meaning |
|---|---|
| 1580005-2 | 5/9 Secondary reference Cessna Aircraft Company Dba Textron Aviation |
NSN 4320-00-997-2107 is a Pumping Unit,hydraulic,hand Driv, manufactured by Triumph Actuation Systems - Connecticut, Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-997-2107 has 2 manufacturer part numbers on file: 1580005-2 (Textron Aviation Inc), OAS-2950-7 (Triumph Actuation Systems - Connecticut, Llc).
Key specifications for OAS-2950-7: FSC Application Data: AIRCRAFT HYDRAULIC,VACUUM,DEICING SYSTEMS; Pump Type: RECIPROCATING; Manifolding Hose Set: NOT INCLUDED; Pump Drive Type: HAND. 11 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.