The Gearshaft,worm Wheel, cataloged under National Stock Number 3040-00-159-9928, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-159-9928 |
| Primary Part Number | 11639800 |
| Item Name | Gearshaft,worm Wheel |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Shaft Type | SHOULDERED |
| Shaft Material | STEEL |
| Shaft Largest Diameter | 0.772 INCHES NOMINAL IN |
| Gear Outside Diameter | 1.865 INCHES NOMINAL IN |
| Gear Material | STEEL |
| Pressure Angle | 45.0000 DEGREES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3040-00-159-9928 is a Gearshaft,worm Wheel, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-159-9928 has 2 manufacturer part numbers on file: 11639800 (U S Army Tank Automotive Command Amsta-Im-Mm), 050JA001 (Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems).
Key specifications for 11639800: Shaft Type: SHOULDERED; Shaft Material: STEEL; Shaft Largest Diameter: 0.772 INCHES NOMINAL IN; Gear Outside Diameter: 1.865 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.