The Pump,axial Pistons, cataloged under National Stock Number 4320-01-508-9254, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Dometic Marine Canada Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-508-9254 |
| Primary Part Number | HH6542 |
| Item Name | Pump,axial Pistons |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Dometic Marine Canada Inc. |
| Status | ACTIVE |
| Pumping Element Type | PISTON |
| 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 |
|---|---|
| HH6542 | Dometic Marine Canada Inc. (CAN) |
| Reference | Meaning |
|---|---|
| HH6542-3 | 3/9 Design control — primary reference Teleflex Inc Corporate Head Quarters |
| HH-6542 | 5/9 Secondary reference Teleflex Inc Corporate Head Quarters |
| HH-5742 | 5/9 Secondary reference Teleflex Inc Corporate Head Quarters |
NSN 4320-01-508-9254 is a Pump,axial Pistons, manufactured by Dometic Marine Canada Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-508-9254 has 1 manufacturer part number on file: HH6542 (Dometic Marine Canada Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-690-2265. Verify interchangeability with system specifications before substitution.
Key specifications for HH6542: Pumping Element Type: PISTON; Special Features: HELM PUMP STEERING, SEASTAR 2.4 - TILT; HELM ROTOR SUPPORTED BY THREE ROLLER BEARINGS; BALL BEARING PISTON RACE; 1/4IN. NPT PORTS; BUILT-IN LOCK VALVE FOR POSTIVE RUDDER LOCK; BLEED TUBES; INTERNAL AIR POCKET ELIMINATES OIL EXPANSION OVERFLOW; INTEGRAL RELIEF VALVE SETTING: 1000 PSI; DISPLACEMENT: 2/4 CU.IN/REV IN; Part Name Assigned by Controlling Agency: PUMP, AXIAL PISTONS; End Item Identification: 25 FT. HARBOR SECURITY BOAT, GUARDIAN FT. 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.