The Pump Unit,reciprocating, cataloged under National Stock Number 4320-01-260-2067, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Walchem Corp. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4320-01-260-2067 |
| Primary Part Number | 8311-1 |
| Item Name | Pump Unit,reciprocating |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Walchem Corp |
| Status | ACTIVE |
| Pumping Element Type | DIAPHRAGM |
| Inclosure Type | FULLY INCLOSED |
| Current Type | AC |
| Voltage in Volts | 115.0 |
| Prime Mover Quantity | 1 |
| Pump Quantity | 1 |
| Discharge Pressure | 00.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES |
| Prime Mover Type | ELECTRIC MOTOR |
| 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 |
|---|---|
| 8311-1 PRIMARY | Walchem Corp (USA) |
| Reference | Meaning |
|---|---|
| 8561-11 | 5/9 Secondary reference Walchem Corp |
NSN 4320-01-260-2067 is a Pump Unit,reciprocating, manufactured by Walchem Corp, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-260-2067 has 1 manufacturer part number on file: 8311-1 (Walchem Corp).
Key specifications for 8311-1: Pumping Element Type: DIAPHRAGM; Inclosure Type: FULLY INCLOSED; Current Type: AC; Voltage in Volts: 115.0. 8 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.