The Gear,spur, cataloged under National Stock Number 3020-01-386-3322, 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 L3 Technologies, Inc.. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-386-3322 |
| Primary Part Number | B-0479 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | L3 Technologies, Inc. |
| Status | ACTIVE |
| Keyway Nominal Width | 0.060 INCHES FIRST END IN |
| Bore Nominal Diameter | 0.240 INCHES BOTH ENDS IN |
| Teeth Quantity | 74 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 0.718 INCHES SECOND END IN |
| Bore Style | W/COUNTERBORE SECOND END |
| Bore Style | W/ KEYWAY FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 1.235 INCHES FIRST END IN |
| First Step Nominal Length | 0.892 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 2.3125 INCHES NOMINAL IN |
| First Step Nominal Diameter | 0.880 INCHES FIRST END IN |
| Hub Style Designator | 1 STEP FIRST END |
| End Nominal Length | 0.343 INCHES FIRST END IN |
| Nominal Outside Diameter | 2.375 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.150 INCHES FIRST END IN |
| End Nominal Diameter | 0.500 INCHES FIRST END IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Counterbore Nominal Depth | 0.855 INCHES SECOND END IN |
| Face Nominal Width | 0.078 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 |
| Part Number | Manufacturer |
|---|---|
| B-0479 PRIMARY | L3 Technologies, Inc. (USA) |
NSN 3020-01-386-3322 is a Gear,spur, manufactured by L3 Technologies, Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-386-3322 has 1 manufacturer part number on file: B-0479 (L3 Technologies, Inc.).
Key specifications for B-0479: Keyway Nominal Width: 0.060 INCHES FIRST END IN; Bore Nominal Diameter: 0.240 INCHES BOTH ENDS IN; Teeth Quantity: 74; Body Style: PLAIN, SOLID. 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 3020-01-386-3322 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.