The Pump,reciprocating, cataloged under National Stock Number 4320-01-697-1852, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Maritime Applied Physics Corporation Dba Blacksea Technologies. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4320-01-697-1852 |
| Primary Part Number | 331-1-034 |
| Item Name | Pump,reciprocating |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Maritime Applied Physics Corporation Dba Blacksea Technologies |
| Status | ACTIVE |
| Operation Method | MANUAL |
| 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 |
|---|---|
| 331-1-034 PRIMARY | Maritime Applied Physics Corporation Dba Blacksea Technologies (USA) |
| 2845519 | West Marine Products (USA) |
| WMHP36-72 | West Marine Products (USA) |
| Reference | Meaning |
|---|---|
| 331-0-003 REV A ITEM 2 | D/9 Drawing number reference only Maritime Applied Physics Corporation Dba Blacksea Technologies |
NSN 4320-01-697-1852 is a Pump,reciprocating, manufactured by Maritime Applied Physics Corporation Dba Blacksea Technologies, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-697-1852 has 3 manufacturer part numbers on file: 331-1-034 (Maritime Applied Physics Corporation Dba Blacksea Technologies), 2845519 (West Marine Products), WMHP36-72 (West Marine Products).
Key specifications for 331-1-034: Part Name Assigned by Controlling Agency: PUMP BILGE,MANUAL; Operation Method: MANUAL. 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.