The Gear,spur, cataloged under National Stock Number 3020-01-234-8264, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 27 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-234-8264 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 10.349 INCHES BOTH ENDS IN |
| Teeth Quantity | 130 |
| Surface Treatment Document and Classification | MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 12.360 INCHES SECOND END IN |
| Bore Style | W/COUNTERBORE SECOND END |
| Bore Style | INVOLUTE SPLINE FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.150 INCHES FIRST END IN |
| First Step Nominal Length | 0.040 INCHES FIRST END IN |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM BORE SURFACE |
| Hardness Rating | 90.0 ROCKWELL C NOMINAL BODY |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | AMS6470 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 13.0000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 12.360 INCHES FIRST END IN |
| Hub Style Designator | 1 STEP FIRST END |
| Spline Quantity | 112 FIRST END |
| End Nominal Length | 0.150 INCHES FIRST END IN |
| Nominal Outside Diameter | 13.150 INCHES IN |
| Surface Treatment | OXIDE OVERALL |
| End Nominal Diameter | 11.260 INCHES FIRST END IN |
| Pressure Angle | 25.0000 DEGREES |
| Material | STEEL OVERALL |
| Counterbore Nominal Depth | 0.390 INCHES SECOND END IN |
| Spline Pitch Diameter | 10.4384 INCHES NOMINAL FIRST END IN |
| Face Nominal Width | 0.390 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 |
| Reference | Meaning |
|---|---|
| NR202645-1 | 3/9 Design control — primary reference Speco Corp |
NSN 3020-01-234-8264 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-234-8264: Bore Nominal Diameter: 10.349 INCHES BOTH ENDS IN; Teeth Quantity: 130; Surface Treatment Document and Classification: MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Body Style: PLAIN, SOLID. 27 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 3020-01-234-8264 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.