The Piston,hydraulic Motor-Pump, cataloged under National Stock Number 4320-01-396-1905, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Hammonds Technical Services, Inc.. Government technical data includes 4 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 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 | 4320-01-396-1905 |
| Primary Part Number | 282004 |
| Item Name | Piston,hydraulic Motor-Pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Hammonds Technical Services, Inc. |
| Status | ACTIVE |
| Overall Diameter | 3.880 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM |
| Material | ALUMINUM AND COPPER ALLOY AND RUBBER SYNTHETIC AND PLASTIC |
| Thread Size and Series/type Designator | 0.375-16 UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4320-01-396-1905 is a Piston,hydraulic Motor-Pump, manufactured by Hammonds Technical Services, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-396-1905 has 2 manufacturer part numbers on file: 282004 (Hammonds Technical Services, Inc.), 282004 (Aljac Fuelling Components Limited).
1 possible match (shared part number, not a government interchangeability claim): 7690-01-563-9685. Verify interchangeability with system specifications before substitution.
Key specifications for 282004: Overall Height: 2.500 INCHES NOMINAL IN; Overall Diameter: 3.880 INCHES NOMINAL IN; Special Features: USED ON HAMMONDS TECHNICAL SERVICES TP4A MODEL 800 FLUID MOTOR; Surface Treatment: CADMIUM. 4 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.