The Gear,spur, cataloged under National Stock Number 3020-00-423-4853, 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 Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-423-4853 |
| Primary Part Number | 83410B |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Brinkley Technology Group Llc Dba Hercules Manufacturing |
| Status | ACTIVE |
| Keyway Nominal Width | 0.187 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 1.406 INCHES BETWEEN BODY AND FLANGE IN |
| Teeth Quantity | 20 |
| Body Style | PLAIN, SOLID |
| Flange Nominal Thickness | 0.156 INCHES IN |
| Flange Nominal Diameter | 2.063 INCHES IN |
| Hardness Rating | 35.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | FLANGED END WITH PILOT |
| Pitch Diameter | 1.6660 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Pilot Nominal Length | 0.218 INCHES IN |
| Nominal Outside Diameter | 1.833 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Face Nominal Width | 0.563 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 |
| Part Number | Manufacturer |
|---|---|
| 83410B PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 83410B | 5/9 Secondary reference Hercules Engine Co Inc |
| 2180 | 5/9 Secondary reference Lear Siegler Inc Sherwood Div |
NSN 3020-00-423-4853 is a Gear,spur, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-423-4853 has 1 manufacturer part number on file: 83410B (Brinkley Technology Group Llc Dba Hercules Manufacturing).
Key specifications for 83410B: Keyway Nominal Width: 0.187 INCHES BOTH ENDS IN; Hub Nominal Diameter: 1.406 INCHES BETWEEN BODY AND FLANGE IN; Teeth Quantity: 20; Body Style: PLAIN, SOLID. 14 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.