The Pump,rotary, cataloged under National Stock Number 4320-01-328-9050, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4320-01-328-9050 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Status | ACTIVE |
| Unpackaged Unit Length | 6.710 INCHES MAXIMUM IN |
| Unpackaged Unit Width | 5.656 INCHES MAXIMUM IN |
| Unpackaged Unit Height | 9.595 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM |
| Operation Method | POWERED |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY SOURCE CONTROLL NO. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 70654-23801-103 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 937980 | 3/3 Design control — primary reference U.S. Government activity |
NSN 4320-01-328-9050 is a Pump,rotary, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-328-9050 has 1 manufacturer part number on file: 70654-23801-103 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 4320-01-328-9050: Unpackaged Unit Length: 6.710 INCHES MAXIMUM IN; Unpackaged Unit Width: 5.656 INCHES MAXIMUM IN; Unpackaged Unit Height: 9.595 INCHES MAXIMUM IN; Special Features: FLANGE IS 6.593 IN. DIA. AND CONTAINS 5 HOLES WITH A SIXTH HOLE OFFSET ALL 0.562 IN. DIA. X 0.500 IN. DEEP IN. 6 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.
NSN 4320-01-328-9050 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.