The Gear,spur, cataloged under National Stock Number 3020-00-245-7487, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-245-7487 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.2500 INCHES COUNTER BORE SECOND END IN |
| Hub Nominal Diameter | 0.625 INCHES FIRST END IN |
| Teeth Quantity | 35 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 0.500 INCHES SECOND END IN |
| Bore Style | W/COUNTERBORE COUNTER BORE SECOND END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.3750 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | AISI 416/SAE 51416 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 0.7281 INCHES MINIMUM AND 0.7291 INCHES MAXIMUM IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 0.7695 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL COMP 416 OVERALL |
| Counterbore Nominal Depth | 0.0320 INCHES COUNTER BORE SECOND END IN |
| Face Nominal Width | 0.250 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 |
| Reference | Meaning |
|---|---|
| BL702006ISSUE1 | 5/9 Secondary reference American Telephone and Telegraph Co |
| BL702006 | 3/9 Design control — primary reference Zagora Gear Products Inc |
| BL702006ISSUE1 | 5/9 Secondary reference At and T Corp |
NSN 3020-00-245-7487 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-245-7487: Bore Nominal Diameter: 0.2500 INCHES COUNTER BORE SECOND END IN; Hub Nominal Diameter: 0.625 INCHES FIRST END IN; Teeth Quantity: 35; 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.