The Gearshaft,worm Wheel, cataloged under National Stock Number 3040-00-923-7068, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-923-7068 |
| Primary Part Number | 9M6979 |
| Item Name | Gearshaft,worm Wheel |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| 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 |
|---|---|
| 7E5926 | Caterpillar Inc Div Caterpillar Defense (USA) |
| 9M6979 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 9M6979 | 5/9 Secondary reference Holt Bros |
| IPD9M6979 | 5/9 Secondary reference Industrial Parts Depot, Llc Dba Ipd |
NSN 3040-00-923-7068 is a Gearshaft,worm Wheel, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-923-7068 has 2 manufacturer part numbers on file: 7E5926 (Caterpillar Inc Div Caterpillar Defense), 9M6979 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 9M6979: Overall Length: 6.500 INCHES NOMINAL IN; Special Features: 2 IN. LG OF GEAR LOCATED 2-1/2 IN. FROM PLAIN END, 2 IN. OD OF GEAR, 10 SPUR TEETH, 3/4 IN. DIA SHAFT O/A BOTH END, ONE END TAPERS FROM 3/4 IN. TO 11/16 IN. DIA FOR LG 3/4 IN. THEN END HAS 1/2-20 THD FOR 9/16 IN. LG, THD END PROVIDED W/COTTER PIN HOLE, 2 KEYWAY 9/16 IN. LG, 1/8 IN. W, 5/32 IN. DEEP ARE LOCATED ONE EA END OF SHAFT IN LINE WITH COTTER PIN HOLE 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.
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.