The Tube Assy,fuel Transfer, cataloged under National Stock Number 2840-01-065-1068, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-065-1068 |
| Primary Part Number | 6894599 |
| Item Name | Tube Assy,fuel Transfer |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | CRES AMS5571 OR 5556 TUBE 1ST END;CRES AMS5646 TUBE 2ND END AND COUPLINGS;9.975 MIN,10.015 MAX IN. LG;7.1016 NOM IN. LG FROM 1ST END TO CENTER OF INLET IN HOUSING;TRIANGULAR HOUSING WITH THREADED HOLE AT EACH POINT 0.190-32UNJF-3B THRU;INLET IN HOUSING 0.504 MIN IN. DIA;0.2344 MIN,0.2394 MAX IN. ID TUBE BOTH ENDS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6894599 PRIMARY | Rolls-Royce Corporation (USA) |
| 6894599 | Kreisler Industrial Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6894599 | 5/9 Secondary reference Apex Precision Technologies, Inc. |
| 6894599 | 5/9 Secondary reference Tomco Machining Inc. Dba Crossroads and Tomco Machining Do Not Reinstate This Code Co Has Filed Bankruptcy |
| 6894599 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 2840-01-065-1068 is a Tube Assy,fuel Transfer, manufactured by Rolls-Royce Corporation, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-065-1068 has 2 manufacturer part numbers on file: 6894599 (Rolls-Royce Corporation), 6894599 (Kreisler Industrial Corporation).
Key specifications for 6894599: General Characteristics Item Description: CRES AMS5571 OR 5556 TUBE 1ST END;CRES AMS5646 TUBE 2ND END AND COUPLINGS;9.975 MIN,10.015 MAX IN. LG;7.1016 NOM IN. LG FROM 1ST END TO CENTER OF INLET IN HOUSING;TRIANGULAR HOUSING WITH THREADED HOLE AT EACH POINT 0.190-32UNJF-3B THRU;INLET IN HOUSING 0.504 MIN IN. DIA;0.2344 MIN,0.2394 MAX IN. ID TUBE BOTH ENDS; End Item Identification: TF41 ENG. 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.
NSN 2840-01-065-1068 has DEMIL Code B. 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.