The Gear,spur, cataloged under National Stock Number 3020-00-780-2590, 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 16 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 | 3020-00-780-2590 |
| Primary Part Number | 10887352 |
| 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 | 0.127 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 0.6694 INCHES FIRST END IN |
| Teeth Quantity | 21 |
| Surface Treatment Document and Classification | MIL-P-16232 TYPE M,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Body Style | PLAIN, SOLID |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Style Designator | HUBLESS |
| Material Document and Classification | QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 2.1000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Nominal Outside Diameter | 2.230 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.4063 INCHES FIRST END IN |
| Surface Treatment | PHOSPHATE MANGANESE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.620 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 |
|---|---|
| 10887352 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3020-00-780-2590 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 3020-00-780-2590 has 1 manufacturer part number on file: 10887352 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10887352: Keyway Nominal Width: 0.127 INCHES BOTH ENDS IN; Bore Nominal Diameter: 0.6694 INCHES FIRST END IN; Teeth Quantity: 21; Surface Treatment Document and Classification: MIL-P-16232 TYPE M,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 16 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.