The Gear,spur, cataloged under National Stock Number 3020-00-796-4674, 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 Raytheon Company Div Rmd Strategic. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-796-4674 |
| Primary Part Number | 516957 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Raytheon Company Div Rmd Strategic |
| Status | ACTIVE |
| Keyway Nominal Width | 0.096 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.940 INCHES FIRST END IN |
| Teeth Quantity | 80 |
| Body Style | WEBBED, OFFSET, WITH LIGHTENING HOLES |
| Bore Style | TAPERED W/KEYWAY FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.063 INCHES BOTH ENDS IN |
| Style Designator | PROTRUDING HUBS |
| Taper Major Nominal Diameter | 0.343 INCHES FIRST END IN |
| Material Document and Classification | QQ-S-763,CLASS416 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 4.0000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 4.045 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.2257 INCHES FIRST END IN |
| Surface Treatment | PASSIVATE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 416 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 |
| Part Number | Manufacturer |
|---|---|
| 516957 PRIMARY | Raytheon Company Div Rmd Strategic (USA) |
| Reference | Meaning |
|---|---|
| 516957 | 5/2 Secondary reference U.S. Government activity |
NSN 3020-00-796-4674 is a Gear,spur, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-796-4674 has 1 manufacturer part number on file: 516957 (Raytheon Company Div Rmd Strategic).
Key specifications for 516957: Keyway Nominal Width: 0.096 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.940 INCHES FIRST END IN; Teeth Quantity: 80; Body Style: WEBBED, OFFSET, WITH LIGHTENING HOLES. 18 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.