The Gearshaft,spur, cataloged under National Stock Number 3040-00-997-6260, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Rtx Corporation Div Pratt & Whitney. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-00-997-6260 |
| Primary Part Number | 44647-0 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| 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 | X |
| Part Number | Manufacturer |
|---|---|
| 44647-0 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 44647-0 | 5/9 Secondary reference U.S. Government activity |
| 44647-0 | 5/9 Secondary reference Solar Turbines Incorporated Dba Solar Turbines Incorporated |
NSN 3040-00-997-6260 is a Gearshaft,spur, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-997-6260 has 1 manufacturer part number on file: 44647-0 (Rtx Corporation Div Pratt & Whitney).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-478-2274. Verify interchangeability with system specifications before substitution.
Key specifications for 44647-0: Special Features: STEEL,AMS6260,BLACK OXIDE FINISH,MIL-C-13924 CL 1,CASEHARDENED GEAR AND SPLINE TEETH,5.840 MIN-5.880 MAX IN. O/A LG,1ST END EXTERNAL SPURGEAR,23 TEETH,0.8048 MIN-0.8063 MAX IN. OD,0.7188 IN. NOM PITCH DIA,0.750 MIN-0.780 MAX IN. FACE 2,20 DEG PRESSURE ANGLE,2ND END EXTERNAL SPLINE,15 TEETH,0.5000 MIN-0.5005 MAX IN. MAJOR DIA,0.3983 MIN-0.4053 MAX IN. MINOR DIA,0.4688 IN. NOM PITCH DIA,1.000 MIN-1.060 MAX IN. FACE 2,30 DEG PRESSURE ANGLE,PLAIN BORE,0.233 MIN-0.245 MAX IN. BORE DIA,COUNTERSUNK 55 MIN-65 MAX DEG BY 0.311 MIN-0.318 MAX IN. DIA BOTH ENDS 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 3040-00-997-6260 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.