The Gear,spur, cataloged under National Stock Number 3020-00-608-5449, 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 21 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. 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 | 3020-00-608-5449 |
| Primary Part Number | 8694471 |
| 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 |
| Bore Nominal Diameter | 0.595 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.875 INCHES BETWEEN BODY AND FLANGE IN |
| Teeth Quantity | 16 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 1.188 INCHES SECOND END IN |
| Flange Nominal Thickness | 0.405 INCHES IN |
| Flange Nominal Diameter | 3.597 INCHES IN |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | FLANGED END |
| Material Document and Classification | MIL-S-13048 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.1428 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Nominal Distance Between Outer Body Face and Inner Flange Face | 2.158 INCHES IN |
| Spline Quantity | 7 BOTH ENDS |
| Nominal Outside Diameter | 1.267 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Counterbore Nominal Depth | 0.626 INCHES SECOND END IN |
| Spline Pitch Diameter | 0.5830 INCHES NOMINAL BOTH ENDS IN |
| Face Nominal Width | 0.375 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 |
|---|---|
| 8694471 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3020-00-608-5449 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 3020-00-608-5449 has 1 manufacturer part number on file: 8694471 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 5985-01-087-3810. Verify interchangeability with system specifications before substitution.
Key specifications for 8694471: Bore Nominal Diameter: 0.595 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.875 INCHES BETWEEN BODY AND FLANGE IN; Teeth Quantity: 16; Body Style: PLAIN, SOLID. 21 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.