The Shaft,transmission,pump, cataloged under National Stock Number 4320-01-034-5642, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Rolls-Royce Corporation. Government technical data includes 2 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-034-5642 |
| Primary Part Number | 6850826 |
| Item Name | Shaft,transmission,pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Shaft Largest Diameter | 0.504 INCHES NOMINAL IN |
| Shaft Length | 2.366 INCHES NOMINAL IN |
| 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 |
|---|---|
| 6850826 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6850826 | 5/9 Secondary reference Space Age Engineering, Inc |
| 6850826 | 5/9 Secondary reference Pacific Sky Supply, Inc. Dba Pacific Sky Supply Inc |
| 6850826 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 6850826 | 5/9 Secondary reference Fredon Corp |
| 6850826 | 5/9 Secondary reference Alamo Aircraft, Ltd. |
NSN 4320-01-034-5642 is a Shaft,transmission,pump, manufactured by Rolls-Royce Corporation, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-034-5642 has 1 manufacturer part number on file: 6850826 (Rolls-Royce Corporation).
1 possible match (shared part number, not a government interchangeability claim): 6505-01-617-6148. Verify interchangeability with system specifications before substitution.
Key specifications for 6850826: Shaft Largest Diameter: 0.504 INCHES NOMINAL IN; Shaft Length: 2.366 INCHES NOMINAL IN; Special Features: 0.250 IN. ID THD BOTH ENDS 0.313-24 UNF-3B THD 0.580 IN. DEEP APPL OIL PUMP 4320-00-488-4322 RW T56-7-9-15 ENGINE C-130 ACFT IN. 2 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 4320-01-034-5642 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.