The Gear,internal, cataloged under National Stock Number 3020-00-403-6851, 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 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-403-6851 |
| Primary Part Number | 10885996 |
| 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 |
| Teeth Quantity | 128 |
| Body Style | PLAIN, SOLID |
| Nominal Overall Length | 3.000 INCHES IN |
| Pitch Diameter | 41.5876 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Features Provided | ALIGNMENT HOLE |
| Nominal Outside Diameter | 49.5000 INCHES IN |
| Bolt Hole Circle Nominal Diameter | 45.500 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 1.250 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3020-00-403-6851 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 3020-00-403-6851 has 2 manufacturer part numbers on file: 10502340 (General Dynamics Land Systems Canadacorp), 10885996 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10885996: Teeth Quantity: 128; Body Style: PLAIN, SOLID; Nominal Overall Length: 3.000 INCHES IN; Pitch Diameter: 41.5876 INCHES NOMINAL IN. 10 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 3020-00-403-6851 has DEMIL Code Q. 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.