The Pump,reciprocating, cataloged under National Stock Number 4320-01-644-0975, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Enerpac Tool Group Corp. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-644-0975 |
| Primary Part Number | P-77 |
| Item Name | Pump,reciprocating |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Enerpac Tool Group Corp |
| Status | ACTIVE |
| Pumping Element Type | PISTON |
| Pumping Element Operating Position | HORIZONTAL |
| Reciprocating Stroke Type | VARIABLE |
| Discharge Pressure | 00.0 WATER CONSERVING - WATER SAVING TECHNOLOGIES - LOW-FLOW PRE-RINSE SPRAY VALVES |
| Cylinder Quantity | 1 |
| Maximum Discharge Flow Rate | 0.15 GALLONS PER MINUTE AND 0.29 GALLONS PER MINUTE |
| Intake Connection Quantity | 1 |
| Media for Which Designed | OIL |
| Mounting Type | FOOT |
| 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 |
|---|---|
| P-77 PRIMARY | Enerpac Tool Group Corp (USA) |
NSN 4320-01-644-0975 is a Pump,reciprocating, manufactured by Enerpac Tool Group Corp, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-644-0975 has 1 manufacturer part number on file: P-77 (Enerpac Tool Group Corp).
Key specifications for P-77: Pumping Element Type: PISTON; Pumping Element Operating Position: HORIZONTAL; Reciprocating Stroke Type: VARIABLE; Discharge Pressure: 00.0 WATER CONSERVING - WATER SAVING TECHNOLOGIES - LOW-FLOW PRE-RINSE SPRAY VALVES. 10 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.