The Pump,centrifugal, cataloged under National Stock Number 4320-01-166-8287, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Insinger Machine Co. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4320-01-166-8287 |
| Primary Part Number | UPA7-52 |
| Item Name | Pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Insinger Machine Co |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Pumping Element Operating Position | HORIZONTAL |
| Drive Connection Type | FLEXIBLE COUPLED |
| Centrifugal Pump Impeller Quantity | 1 |
| Drive Shaft Type | MACHINE KEYWAY |
| Stage Quantity | 1 |
| Intake Connection Quantity | 1 |
| Media for Which Designed | WATER, FRESH |
| Mounting Type | BASE |
| 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 |
|---|---|
| UPA7-52 PRIMARY | Insinger Machine Co (USA) |
| Reference | Meaning |
|---|---|
| UP-521 | 5/9 Secondary reference Insinger Machine Co |
NSN 4320-01-166-8287 is a Pump,centrifugal, manufactured by Insinger Machine Co, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-166-8287 has 1 manufacturer part number on file: UPA7-52 (Insinger Machine Co).
Key specifications for UPA7-52: Discharge Connection Quantity: 1; Pumping Element Operating Position: HORIZONTAL; Drive Connection Type: FLEXIBLE COUPLED; Centrifugal Pump Impeller Quantity: 1. 9 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.