The Gearshaft,spur, cataloged under National Stock Number 3040-00-332-0059, 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. Government technical data includes 6 specifications, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-332-0059 |
| Primary Part Number | 7972950 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Shaft Material | STEEL COMP 8620 |
| Teeth Quantity | 10 |
| Gear Outside Diameter | 2.250 INCHES NOMINAL IN |
| Gear Material | STEEL COMP 8620 |
| Shaft End Type | KEYWAY FLAT AND SPLINED INVOLUTE |
| Face Width | 0.750 INCHES NOMINAL IN |
| 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 |
|---|---|
| 7972950 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 7972950 | 5/9 Secondary reference Liebherr-Aerospace Lindenberg Gmbh |
| 3040003320059 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 3040003320059 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 7972950 | 5/9 Secondary reference Feinmechanische Werke Mainz Gmbh |
NSN 3040-00-332-0059 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 3040-00-332-0059 has 1 manufacturer part number on file: 7972950 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7972950: Shaft Material: STEEL COMP 8620; Teeth Quantity: 10; Gear Outside Diameter: 2.250 INCHES NOMINAL IN; Overall Length: 5.365 INCHES NOMINAL IN. 6 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.