The Piston,hydraulic Motor-Pump, cataloged under National Stock Number 4320-01-374-4322, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-374-4322 |
| Item Name | Piston,hydraulic Motor-Pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Status | ACTIVE |
| General Characteristics Item Description | MATL: BRASS (HIGH TENSILE SILICON)TO BS2874 REF CZ135; 40.0MM DIA X 1.5IN. MM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 687510 | C/1 Advisory reference — outside the item-of-supply concept Eaton Aerospace, Llc Dba Jackson South |
| 512558 | 3/9 Design control — primary reference Vickers Inc |
| 687510 | 5/9 Secondary reference Vickers Inc |
NSN 4320-01-374-4322 is a Piston,hydraulic Motor-Pump, classified under FSC 4320, Power and Hand Pumps. Status: active.
Key specifications for 4320-01-374-4322: General Characteristics Item Description: MATL: BRASS (HIGH TENSILE SILICON)TO BS2874 REF CZ135; 40.0MM DIA X 1.5IN. MM; Special Features: HAT STYLE HEAD DESIGN; PISTON GROOVE TO ACCOMMODATE 2 RINGS; HAS FACILITY FOR BALL-TYPE ROD CONNECTION; End Item Identification: STAFFA HYDRAULIC MOTOR MODEL HMB-010 SERIES. 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.