The Gear,spur, cataloged under National Stock Number 3020-00-294-4612, 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17 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-00-294-4612 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Keyway Nominal Width | 0.095 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.873 INCHES FIRST END IN |
| Teeth Quantity | 108 |
| Body Style | PLAIN, SOLID |
| Bore Style | TAPERED W/KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.313 INCHES FIRST END IN |
| Hardness Rating | 76.0 ROCKWELL B NOMINAL OVERALL |
| Style Designator | PROTRUDING HUB |
| Taper Major Nominal Diameter | 0.350 INCHES SECOND END IN |
| Pitch Diameter | 3.3735 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PINNED FIRST END |
| Nominal Outside Diameter | 3.436 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.257 INCHES BOTH ENDS IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | COPPER ALLOY OVERALL |
| Face Nominal Width | 0.156 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 |
|---|---|
| BL48930ISSUE5 | 5/9 Secondary reference At and T Corp |
| BL48930ISSUE5 | 5/9 Secondary reference American Telephone and Telegraph Co |
| BL48930ISSUE5 | 3/9 Design control — primary reference Grant Gear Works Inc |
NSN 3020-00-294-4612 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-294-4612: Keyway Nominal Width: 0.095 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.873 INCHES FIRST END IN; Teeth Quantity: 108; 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.