The Vane Set,rotary, cataloged under National Stock Number 4320-01-644-9443, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-644-9443 |
| Primary Part Number | MLK-K4243-7 |
| Item Name | Vane Set,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division |
| Status | ACTIVE |
| Supply Items and Quantities | PART 69 VANE PACKET W/SPRINGS 7 AND PART 69A VANE SPRINGS 7 A |
| 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 |
|---|---|
| MLK-K4243-7 PRIMARY | Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division (USA) |
| FORM 47112669 PG 5 ITEM NO. 69 | Ingersoll Rand Co (USA) |
NSN 4320-01-644-9443 is a Vane Set,rotary, manufactured by Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-644-9443 has 2 manufacturer part numbers on file: MLK-K4243-7 (Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division), FORM 47112669 PG 5 ITEM NO. 69 (Ingersoll Rand Co).
Key specifications for MLK-K4243-7: Supply Items and Quantities: PART 69 VANE PACKET W/SPRINGS 7 AND PART 69A VANE SPRINGS 7 A; Part Name Assigned by Controlling Agency: VANE SPRING KIT; End Item Identification: HOIST ASSEMBLY. 1 specification is 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.