The Rotor and Shaft Pump Assembly, cataloged under National Stock Number 4320-01-734-0398, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Md Helicopters Inc. 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 | 4320-01-734-0398 |
| Primary Part Number | 22979-2 |
| Item Name | Rotor and Shaft Pump Assembly |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Md Helicopters Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 22979-2 PRIMARY | Md Helicopters Inc (USA) |
NSN 4320-01-734-0398 is a Rotor and Shaft Pump Assembly, manufactured by Md Helicopters Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-734-0398 has 1 manufacturer part number on file: 22979-2 (Md Helicopters Inc).
Key specifications for 22979-2: Special Features: PART OF THE MH-6 MAIN TRANSMISSION SCAVENGE PUMP; Part Name Assigned by Controlling Agency: GE-ROTOR INNER OUTER MATCHED SET. 0 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 4320-01-734-0398 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.