The Parts Kit,hydraulic Pump, cataloged under National Stock Number 4320-00-784-9521, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Defense Maritime Solutions, Inc.. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-784-9521 |
| Primary Part Number | A6-0500-348 |
| Item Name | Parts Kit,hydraulic Pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Defense Maritime Solutions, Inc. |
| Status | ACTIVE |
| Component Quantity | 5 |
| Nonsupply Items and Quantities | GASKET 1;SPRING,HELICAL COMPRESSION 1;SPRING,RETAINER 1;RETAINER,PACKING 1;SEAL AND RETAINER ASSEMBLY 1 |
| 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 |
|---|---|
| A6-0500-348 | John Crane, Inc (USA) |
| 6A1-2 | John Crane, Inc (USA) |
| ADSP1458 | John Crane, Inc (USA) |
| A6-0500-348 PRIMARY | Defense Maritime Solutions, Inc. (USA) |
| Reference | Meaning |
|---|---|
| A6-0500-348 | 5/9 Secondary reference Wartsila Lips Inc |
NSN 4320-00-784-9521 is a Parts Kit,hydraulic Pump, manufactured by Defense Maritime Solutions, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-784-9521 has 4 manufacturer part numbers on file: A6-0500-348 (John Crane, Inc), 6A1-2 (John Crane, Inc), ADSP1458 (John Crane, Inc), A6-0500-348 (Defense Maritime Solutions, Inc.).
Key specifications for A6-0500-348: Component Quantity: 5; Nonsupply Items and Quantities: GASKET 1;SPRING,HELICAL COMPRESSION 1;SPRING,RETAINER 1;RETAINER,PACKING 1;SEAL AND RETAINER ASSEMBLY 1. 2 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.