The Gear,spur, cataloged under National Stock Number 3020-01-032-9894, 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 Amz Alabama Inc.. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-032-9894 |
| Primary Part Number | 231252 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Amz Alabama Inc. |
| Status | ACTIVE |
| Hub Spline Quantity | 52 FIRST END |
| Bore Nominal Diameter | 2.838 INCHES BOTH ENDS IN |
| Teeth Quantity | 23 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 3.805 INCHES SECOND END IN |
| Bore Style | W/COUNTERBORE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 3.056 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 3.9375 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | EXTERNALLY SPLINED, STRAIGHT SPLINES FIRST END |
| Nominal Outside Diameter | 4.265 INCHES IN |
| Hub Spline Nominal Major Diameter | 4.384 INCHES FIRST END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Counterbore Nominal Depth | 1.360 INCHES SECOND END IN |
| Face Nominal Width | 1.096 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 3020-01-032-9894 is a Gear,spur, manufactured by Amz Alabama Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-032-9894 has 2 manufacturer part numbers on file: 231252 (Amz Alabama Inc.), 231252 (Dana Off Highway Products, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 6515-01-612-7788, 2590-01-642-1869. Verify interchangeability with system specifications before substitution.
Key specifications for 231252: Hub Spline Quantity: 52 FIRST END; Bore Nominal Diameter: 2.838 INCHES BOTH ENDS IN; Teeth Quantity: 23; Body Style: PLAIN, SOLID. 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.