The Gear Sector,spur, cataloged under National Stock Number 3020-01-210-5881, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-210-5881 |
| Item Name | Gear Sector,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Teeth Quantity | 13 |
| Nominal Distance Between Body Face and Protruding Hub End | 0.937 INCHES FIRST END IN |
| Nominal Overall Length | 4.313 INCHES IN |
| Tooth Form | STUB |
| Pressure Angle | 20.0000 DEGREES |
| Material | ALUMINUM ALLOY AND NICKEL OVERALL |
| Face Nominal Width | 2.500 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 |
|---|---|
| SSN671-505-2047605 PIECE 2 | 5/2 Secondary reference U.S. Government activity |
| SSN671-505-2047605 | D/9 Drawing number reference only U.S. Government activity |
| 71656-31X4 PIECE 2 | 3/2 Design control — primary reference U.S. Government activity |
| 71656-31X4 | D/9 Drawing number reference only U.S. Government activity |
| 132129A | 5/9 Secondary reference U.S. Government activity |
NSN 3020-01-210-5881 is a Gear Sector,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-210-5881: Teeth Quantity: 13; Nominal Distance Between Body Face and Protruding Hub End: 0.937 INCHES FIRST END IN; Nominal Overall Length: 4.313 INCHES IN; Tooth Form: STUB. 7 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.