The Gearshaft,spur, cataloged under National Stock Number 3040-00-070-1149, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Rolls-Royce Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-00-070-1149 |
| Primary Part Number | 6855872 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| 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 |
|---|---|
| 6855872 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6855872 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 3040-00-070-1149 is a Gearshaft,spur, manufactured by Rolls-Royce Corporation, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-070-1149 has 1 manufacturer part number on file: 6855872 (Rolls-Royce Corporation).
Key specifications for 6855872: Special Features: STEEL AMS6260,BLACK OXIDE FINISH AMS2485,ROCKWELL 15N SCALE 89.3 MIN HARDNESS CASE,ROCKWELL C SCALE 30 MIN HARDNESS CORE,1ST END EXTERNAL SPLINE,26 TEETH,0.839 IN. MIN,0.844 IN. MAX OD,0.8125 IN. NOM PITCH DIA,30 DEG PRESSURE ANGLE,INTERMEDIATE SPUR GEAR TEETH,2.305 IN. NOM DISTANCE FROM 1ST END,17 TEETH,1.202 IN. MIN,1.207 IN. MAX OD,1.0625 IN. NOM PITCH DIA,25 DEG PRESSURE ANGLE,2ND END EXTERNAL SPLINE,24 TEETH,0.776 IN. MIN,0.781 IN. MAX OD,0.7506 IN. NOM PITCH DIA,30 DEG PRESSURE ANGLE IN. 0 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 3040-00-070-1149 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.