The Gear,worm, cataloged under National Stock Number 3020-00-692-4887, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) 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 15 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-692-4887 |
| Primary Part Number | 7699409 |
| Item Name | Gear,worm |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Thread Form Direction | RIGHT-HAND |
| Keyway Nominal Width | 0.188 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 0.626 INCHES BOTH ENDS IN |
| Helix Angle | 4.5667 DEGREES |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Face Type | CONCAVE |
| Style Designator | HUBLESS |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.2500 INCHES NOMINAL IN |
| Thread Form Quantity | 1 |
| Nominal Outside Diameter | 1.450 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.398 INCHES BOTH ENDS IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL COMP 1015 OVERALL |
| Face Nominal Width | 2.000 INCHES 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 |
|---|---|
| HL1066 | Altra Industrial Motion Corp. (USA) |
| 004605T | Kovatch Corp. (USA) |
| 7699409 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 3020006924887 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
NSN 3020-00-692-4887 is a Gear,worm, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-692-4887 has 3 manufacturer part numbers on file: HL1066 (Altra Industrial Motion Corp.), 004605T (Kovatch Corp.), 7699409 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7699409: Thread Form Direction: RIGHT-HAND; Keyway Nominal Width: 0.188 INCHES BOTH ENDS IN; Bore Nominal Diameter: 0.626 INCHES BOTH ENDS IN; Helix Angle: 4.5667 DEGREES. 15 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.