The Pump Unit,reciprocating, cataloged under National Stock Number 4320-01-534-1909, 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.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-534-1909 |
| Primary Part Number | PAAI010676 |
| Item Name | Pump Unit,reciprocating |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Defense Maritime Solutions, 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 |
|---|---|
| PAAI010676 PRIMARY | Defense Maritime Solutions, Inc. (USA) |
| Reference | Meaning |
|---|---|
| U000003953 | 3/9 Design control — primary reference Defense Maritime Solutions, Inc. |
| 1D4033AA | 5/9 Secondary reference Defense Maritime Solutions, Inc. |
NSN 4320-01-534-1909 is a Pump Unit,reciprocating, manufactured by Defense Maritime Solutions, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-534-1909 has 1 manufacturer part number on file: PAAI010676 (Defense Maritime Solutions, Inc.).
Key specifications for PAAI010676: Special Features: DOSING PUMPS DESIGNED AND MANUFACTURED FOR DOSING LIQUIDS FREE OF SUSPENDED SOLID PARTICLES; MOTOR DRIVEN, ELECTRIC MOTOR SUPPLIES POWER TO GEAR BOX; PUMPS ARE CLASSIFIED ACCORDING TO MATERIAL USED IN MANUFACTURE OF WET END PARTS, STANDARD ARE AISI 316 STAINLESS STEEL AND PVC; AMBIENT TEMPERATURE: 0 MIN DEG C - 40 MAX DEG C FOR STAINLESS STEEL PUMP HEAD; LIQUID TEMPERATURE: 0 MIN DEG C - 90 MAX DEG C FOR STAINLESS STEEL PUMP HEAD; PUMP FITTED WITH DRAIN TUBE NIPPLE TO COLLECT ANY PROCESS LIQUID LEAKAGE; Part Name Assigned by Controlling Agency: PUMP, DOSING DIAPHRAGM; End Item Identification: WATERJET - PROPULSOR UNIT (INLS). 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.