The Gear,spur, cataloged under National Stock Number 3020-00-705-2646, 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 17 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-705-2646 |
| Primary Part Number | 9053613 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Keyway Nominal Width | 0.1265 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 0.4378 INCHES BOTH ENDS IN |
| Teeth Quantity | 18 |
| Surface Treatment Document and Classification | MIL-L-25504 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-P-16232,TYPE M,CLASS 2 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
| Body Style | PLAIN, SOLID |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Style Designator | HUBLESS |
| Material Document and Classification | MIL-S-8690,COND C,SURFACE COND 4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 0.7500 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Features Provided | CASEHARDENED |
| Nominal Outside Diameter | 0.8333 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.2836 INCHES BOTH ENDS IN |
| Surface Treatment | LUBRICANT DRY FILM AND PHOSPHATE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.6250 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 |
NSN 3020-00-705-2646 is a Gear,spur, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-705-2646 has 3 manufacturer part numbers on file: 9053613 (U S Army Tank Automotive Command Amsta-Im-Mm), 1271461-1 (Honeywell Intl Inc Defense Avionics Systems), 9053613 (Us Army Aviation and Missile Command).
1 possible match (shared part number, not a government interchangeability claim): 5945-01-534-9902. Verify interchangeability with system specifications before substitution.
Key specifications for 9053613: Keyway Nominal Width: 0.1265 INCHES BOTH ENDS IN; Bore Nominal Diameter: 0.4378 INCHES BOTH ENDS IN; Teeth Quantity: 18; Surface Treatment Document and Classification: MIL-L-25504 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-P-16232,TYPE M,CLASS 2 MIL SPEC 2ND TREATMENT RESPONSE OVERALL. 17 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.