The Pump Unit,reciprocating, cataloged under National Stock Number 4320-01-322-9167, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Mine Safety Appliances Company. Government technical data includes 7 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-322-9167 |
| Primary Part Number | 480425 |
| Item Name | Pump Unit,reciprocating |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Mine Safety Appliances Company |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Pumping Element Type | DIAPHRAGM |
| Pumping Element Operating Position | HORIZONTAL |
| Pump Quantity | 1 |
| Pump Reciprocating Design | SINGLE ACTING |
| Intake Connection Quantity | 1 |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| 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 |
|---|---|
| 480425 PRIMARY | Mine Safety Appliances Company (USA) |
| Reference | Meaning |
|---|---|
| C480425 | D/9 Drawing number reference only Mine Safety Appliances Company |
NSN 4320-01-322-9167 is a Pump Unit,reciprocating, manufactured by Mine Safety Appliances Company, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-322-9167 has 1 manufacturer part number on file: 480425 (Mine Safety Appliances Company).
Key specifications for 480425: Discharge Connection Quantity: 1; Pumping Element Type: DIAPHRAGM; Pumping Element Operating Position: HORIZONTAL; Pump Quantity: 1. 7 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.