The Gear,internal, cataloged under National Stock Number 3020-01-286-5708, 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 19 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-286-5708 |
| Primary Part Number | 11629999 |
| Item Name | Gear,internal |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.122 INCHES FIRST END IN |
| Bore Nominal Diameter | 1.122 INCHES SECOND END IN |
| Hub Nominal Diameter | 2.240 INCHES FIRST END IN |
| Teeth Quantity | 85 |
| Body Style | WEBBED, WITH LIGHTENING HOLES |
| Counterbore Nominal Diameter | 2.190 INCHES SECOND END IN |
| Bore Style | W/COUNTERBORE SECOND END |
| Bore Style | PLAIN FIRST END |
| Teeth Type | SPUR |
| Nominal Overall Length | 1.960 INCHES IN |
| Style Designator | SOLID BACK RING, HUBLESS |
| Pitch Diameter | 8.5000 INCHES NOMINAL IN |
| Tooth Form | STUB |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 9.310 INCHES IN |
| Pressure Angle | 25.0000 DEGREES |
| Material | STEEL COMP 8620H OVERALL |
| Counterbore Nominal Depth | 0.420 INCHES SECOND END IN |
| Face Nominal Width | 1.180 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 11629999 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3020-01-286-5708 is a Gear,internal, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-286-5708 has 1 manufacturer part number on file: 11629999 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 11629999: Bore Nominal Diameter: 1.122 INCHES FIRST END IN; Bore Nominal Diameter: 1.122 INCHES SECOND END IN; Hub Nominal Diameter: 2.240 INCHES FIRST END IN; Teeth Quantity: 85. 19 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 3020-01-286-5708 has DEMIL Code B. 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.