The Gearshaft,spur, cataloged under National Stock Number 3040-01-074-3773, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-074-3773 |
| Primary Part Number | 12488608 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| 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 |
|---|---|
| 12488608 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 3-080-630-01 | 5/2 Secondary reference U.S. Government activity |
| 12286125 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| 3-080-240-01 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-01-074-3773 is a Gearshaft,spur, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-074-3773 has 1 manufacturer part number on file: 12488608 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12488608: Special Features: GEARSHAFT,SPUR MADE FROM:SHAFT P/N 12488614 CAGE 19207;RIVETS P/N MS20427F8-30 CAGE 96906;AND GEAR P/N 12286078 CAGE 19207 GEAR REFERENCE DATA BASE DIAMETER 5.5710349, MOUNTING CENTER DISTANCE 3.6657-3.6677, 6.7490-6.7510, 5.1419-5.1439, DESIGNED TO MATE WITH PART NUMBER 12286076, 12286077, 12286080, AGMA QUALITY NUMBER 011, BACKLASH WITH MATING GEAR .006-.014, NUMBER OF TEETH IN MATING GEAR 19, 61, 106, DIAMETRAL PITCH 14 PRESSURE ANGLE 20; End Item Identification: 2350-01-061-2445 M1A1 TANK. 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 3040-01-074-3773 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.