The Filter,oil,screw Type, cataloged under National Stock Number 2840-01-064-1715, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2840-01-064-1715 |
| Primary Part Number | 6897028 |
| Item Name | Filter,oil,screw Type |
| 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 AMS5646;0.756 NOM IN. LG;0.450 NOM IN. DIA TO BASE OF THREAD,BOTH ENDS;BOTH ENDS THREADED 0.500-28UNJS-3A 0.488 MIN,0.489 MAX OD;HOLE BOTH ENDS 0.1596 MIN,0.1675 MAX IN. DIA,0.290 MAX DEEP,CSK 60 DEG TO 0.200 NOM IN. DIA,THREADED 0.190-32UNJF-3B 0.190 IN. MIN DEEP;CIRCUMFERENTIAL GROOVE 0.054 MIN,0.056 MAX IN. W,0.50 NOM IN. FROM BOTH ENDS;3 LONGITUDINAL GROOVES EACH END EQUALLY SPACED WITH GROOVES ON 1STEND OFFSET 60 DEG FROM GROOVES ON 2ND END,GROOVES 0.145 MIN,0.155 MAX IN. W 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 |
|---|---|
| 6897028 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6897028 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 2840-01-064-1715 is a Filter,oil,screw Type, manufactured by Rolls-Royce Corporation, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-064-1715 has 1 manufacturer part number on file: 6897028 (Rolls-Royce Corporation).
Key specifications for 6897028: General Characteristics Item Description: CRES AMS5646;0.756 NOM IN. LG;0.450 NOM IN. DIA TO BASE OF THREAD,BOTH ENDS;BOTH ENDS THREADED 0.500-28UNJS-3A 0.488 MIN,0.489 MAX OD;HOLE BOTH ENDS 0.1596 MIN,0.1675 MAX IN. DIA,0.290 MAX DEEP,CSK 60 DEG TO 0.200 NOM IN. DIA,THREADED 0.190-32UNJF-3B 0.190 IN. MIN DEEP;CIRCUMFERENTIAL GROOVE 0.054 MIN,0.056 MAX IN. W,0.50 NOM IN. FROM BOTH ENDS;3 LONGITUDINAL GROOVES EACH END EQUALLY SPACED WITH GROOVES ON 1STEND OFFSET 60 DEG FROM GROOVES ON 2ND END,GROOVES 0.145 MIN,0.155 MAX IN. W A; 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.
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.