The Gear,spur, cataloged under National Stock Number 3020-01-276-7777, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-276-7777 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 2.213 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 2.550 INCHES SECOND END IN |
| Hub Nominal Diameter | 2.690 INCHES FIRST END IN |
| Teeth Quantity | 29 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 2.362 INCHES SECOND END IN |
| Counterbore Nominal Diameter | 2.498 INCHES FIRST END IN |
| Bore Style | W/COUNTERBORE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.102 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.148 INCHES SECOND END IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | AMS6265 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 2.9000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 3.179 INCHES IN |
| Pressure Angle | 25.0000 DEGREES |
| Material | STEEL OVERALL |
| Counterbore Nominal Depth | 0.102 INCHES FIRST END IN |
| Counterbore Nominal Depth | 0.360 INCHES SECOND END IN |
| Attachment Method | SLOT |
| Face Nominal Width | 0.540 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 |
|---|---|
| 3886134-1 | 5/9 Secondary reference U.S. Government activity |
| 3886134-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-276-7777 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-276-7777: Bore Nominal Diameter: 2.213 INCHES BOTH ENDS IN; Hub Nominal Diameter: 2.550 INCHES SECOND END IN; Hub Nominal Diameter: 2.690 INCHES FIRST END IN; Teeth Quantity: 29. 22 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 3020-01-276-7777 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.