The Gear,spur, cataloged under National Stock Number 3020-00-933-2177, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-00-933-2177 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.082 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.190 INCHES SECOND END IN |
| Hub Nominal Diameter | 0.237 INCHES FIRST END IN |
| Teeth Quantity | 20 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.041 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.019 INCHES SECOND END IN |
| Nominal Overall Length | 0.221 INCHES IN |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 0.5260 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 0.579 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | PLASTIC OVERALL |
| Face Nominal Width | 0.180 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 |
|---|---|
| 13125 | 3/9 Design control — primary reference Abrams Instrument Corporation |
NSN 3020-00-933-2177 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): 5330-01-064-2008, 6145-01-086-5724, 8105-01-518-9844. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-00-933-2177: Bore Nominal Diameter: 0.082 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.190 INCHES SECOND END IN; Hub Nominal Diameter: 0.237 INCHES FIRST END IN; Teeth Quantity: 20. 17 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.