The Gear Sector,spur, cataloged under National Stock Number 3020-01-092-1194, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 25 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-092-1194 |
| Item Name | Gear Sector,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Keyway Nominal Width | 0.250 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 1.125 INCHES BOTH ENDS IN |
| Teeth Quantity | 41 |
| Nominal Outside Radius | 3.063 INCHES IN |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.563 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.688 INCHES FIRST END IN |
| First Step Nominal Length | 0.063 INCHES SECOND END IN |
| First Step Nominal Length | 0.063 INCHES FIRST END IN |
| Nominal Overall Length | 1.500 INCHES IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 2.500 INCHES FIRST END IN |
| First Step Nominal Diameter | 2.500 INCHES SECOND END IN |
| Hub Style Designator | 1 STEP FIRST END |
| Hub Style Designator | 1 STEP SECOND END |
| End Nominal Length | 0.625 INCHES FIRST END IN |
| End Nominal Length | 0.500 INCHES SECOND END IN |
| Arc Nominal Length | 5.750 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.641 INCHES BOTH ENDS IN |
| Pitch Radius | 3.0000 INCHES NOMINAL IN |
| End Nominal Diameter | 1.750 INCHES SECOND END IN |
| End Nominal Diameter | 1.750 INCHES FIRST END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | COPPER ALLOY OVERALL |
| Face Nominal Width | 0.250 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 |
|---|---|
| 4775959-0003 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 4775959-0003 | 3/2 Design control — primary reference U.S. Government activity |
| 2642-982-03,PC3 | 3/2 Design control — primary reference U.S. Government activity |
| 845-4687756 | D/9 Drawing number reference only U.S. Government activity |
| 845-4687756ITEM7 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-092-1194 is a Gear Sector,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 3040-01-131-5788, 3040-01-148-9527, 3020-01-151-4494. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-01-092-1194: Keyway Nominal Width: 0.250 INCHES BOTH ENDS IN; Bore Nominal Diameter: 1.125 INCHES BOTH ENDS IN; Teeth Quantity: 41; Nominal Outside Radius: 3.063 INCHES IN. 25 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.