The Pump,axial Pistons, cataloged under National Stock Number 4320-01-552-9503, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Hough Marine and Machine Inc. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-552-9503 |
| Primary Part Number | H-58 |
| Item Name | Pump,axial Pistons |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Hough Marine and Machine Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| H-58 | Hough Marine and Machine Inc (USA) |
| JQ-091003-32 | Jastram Engineering Ltd (CAN) |
| D-331003 | Jastram Engineering Ltd (CAN) |
| JA-301007-1 | Hough Marine and Machine Inc (USA) |
| Reference | Meaning |
|---|---|
| JA-301007-2 | 3/9 Design control — primary reference Hough Marine and Machine Inc |
| D-331003 | 5/9 Secondary reference Jastram Engineering Ltd |
| JQ-091003-32 | 5/9 Secondary reference Jastram Engineering Ltd |
NSN 4320-01-552-9503 is a Pump,axial Pistons, manufactured by Hough Marine and Machine Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-552-9503 has 4 manufacturer part numbers on file: H-58 (Hough Marine and Machine Inc), JQ-091003-32 (Jastram Engineering Ltd), D-331003 (Jastram Engineering Ltd), JA-301007-1 (Hough Marine and Machine Inc).
Key specifications for H-58: End Item Identification: 49 FT BUSL, SICR 451 FT. 0 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.