The Parts Kit,oil Pump, cataloged under National Stock Number 2840-01-027-8389, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Rolls-Royce Corporation. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2840-01-027-8389 |
| Primary Part Number | 6891560 |
| Item Name | Parts Kit,oil Pump |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | 1 PACKING P/N AS3085-230,1 PACKING P/N AS3085-015,1 SEAL P/N 6876884,1 DECAL PN MS9244-01,1 RETAINER-CHECK VALUE P/N 6809478 FSCM 73342 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 6891560 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6891560 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 2840-01-027-8389 is a Parts Kit,oil Pump, manufactured by Rolls-Royce Corporation, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-027-8389 has 1 manufacturer part number on file: 6891560 (Rolls-Royce Corporation).
Key specifications for 6891560: General Characteristics Item Description: 1 PACKING P/N AS3085-230,1 PACKING P/N AS3085-015,1 SEAL P/N 6876884,1 DECAL PN MS9244-01,1 RETAINER-CHECK VALUE P/N 6809478 FSCM 73342; End Item Identification: ENGINE MODEL T56. 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.