The Parts Kit,axial Piston Pump, cataloged under National Stock Number 4320-01-298-3258, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Hartmann Controls, Inc Div Hartmann Controls. Government technical data includes 4 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 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 | 4320-01-298-3258 |
| Primary Part Number | 34381 |
| Item Name | Parts Kit,axial Piston Pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Hartmann Controls, Inc Div Hartmann Controls |
| Status | ACTIVE |
| Component Quantity | 24 |
| End Item Source | 63568 |
| End Item Name | AXIAL PISTON PUMP |
| Nonsupply Items and Quantities | 63568 28556 SNAP RING 4-3/8 OD 1; 63568 28558 THRUST PLATE 1; 63568 28569 PISTON ASSY. 400 7; 63568 31981 HOLD DOWN PLATE 1; 63568 32034 BRONZE ROTOR 400 1; 63568 32042 ROTOR SPRING SEAT 400 7; 63568 32046 PISTON SPRING 400 7 |
| 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 |
|---|---|
| 34381 PRIMARY | Hartmann Controls, Inc Div Hartmann Controls (USA) |
NSN 4320-01-298-3258 is a Parts Kit,axial Piston Pump, manufactured by Hartmann Controls, Inc Div Hartmann Controls, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-298-3258 has 1 manufacturer part number on file: 34381 (Hartmann Controls, Inc Div Hartmann Controls).
1 possible match (shared part number, not a government interchangeability claim): 4020-01-412-8744. Verify interchangeability with system specifications before substitution.
Key specifications for 34381: Component Quantity: 24; End Item Source: 63568; End Item Name: AXIAL PISTON PUMP; Nonsupply Items and Quantities: 63568 28556 SNAP RING 4-3/8 OD 1; 63568 28558 THRUST PLATE 1; 63568 28569 PISTON ASSY. 400 7; 63568 31981 HOLD DOWN PLATE 1; 63568 32034 BRONZE ROTOR 400 1; 63568 32042 ROTOR SPRING SEAT 400 7; 63568 32046 PISTON SPRING 400 7. 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.