The Gear,spur, cataloged under National Stock Number 3020-00-517-3142, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-517-3142 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.250 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.625 INCHES FIRST END IN |
| Teeth Quantity | 168 |
| Body Style | PLAIN, SOLID |
| Nominal Distance Between Body Face and Protruding Hub End | 0.040 INCHES SECOND END IN |
| Nominal Overall Length | 0.464 INCHES IN |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 3.5000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 3.542 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Face Nominal Width | 0.115 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 |
|---|---|
| B102613 | 3/9 Design control — primary reference Edo |
| 210100 | 5/2 Secondary reference U.S. Government activity |
| 102613 | 5/9 Secondary reference Edo |
| 3209316 | 5/2 Secondary reference U.S. Government activity |
NSN 3020-00-517-3142 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
5 possible matches (shared part number, not a government interchangeability claim): 5905-00-867-7708, 5895-01-236-4074, 5340-01-258-6135. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-00-517-3142: Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.625 INCHES FIRST END IN; Teeth Quantity: 168; Body Style: PLAIN, SOLID. 13 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 3020-00-517-3142 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.