The Gear,spur, cataloged under National Stock Number 3020-00-330-9173, 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 Dba Raytheon Co. Government technical data includes 22 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-330-9173 |
| Primary Part Number | A501831 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Teeth Quantity | 20 |
| Body Style | PLAIN, SOLID |
| Nominal Distance Between Body Face and Protruding Hub End | 0.1248 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.2400 INCHES FIRST END IN |
| First Step Nominal Length | 0.0310 INCHES SECOND END IN |
| First Step Nominal Length | 0.1560 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | FED STD 66,SAE 1112 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 0.3125 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 0.1563 INCHES FIRST END IN |
| First Step Nominal Diameter | 0.1563 INCHES SECOND END IN |
| Hub Style Designator | 1 STEP FIRST END |
| Hub Style Designator | 1 STEP SECOND END |
| End Nominal Length | 0.0938 INCHES SECOND END IN |
| End Nominal Length | 0.9400 INCHES FIRST END IN |
| Nominal Outside Diameter | 0.3415 INCHES IN |
| End Nominal Diameter | 0.0922 INCHES FIRST END IN |
| End Nominal Diameter | 0.0922 INCHES SECOND END IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.219 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 |
|---|---|
| A501831 | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| V40256PC42 | 5/9 Secondary reference Smiths Detection Inc. Dba Smiths Detection Inc Casc |
| A-501831 | 3/9 Design control — primary reference Smiths Detection Inc. Dba Smiths Detection Inc Casc |
| A501831 | 5/9 Secondary reference Bendix Corp the |
NSN 3020-00-330-9173 is a Gear,spur, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-330-9173 has 1 manufacturer part number on file: A501831 (Raytheon Company Dba Raytheon Co).
Key specifications for A501831: Teeth Quantity: 20; Body Style: PLAIN, SOLID; Nominal Distance Between Body Face and Protruding Hub End: 0.1248 INCHES SECOND END IN; Nominal Distance Between Body Face and Protruding Hub End: 0.2400 INCHES FIRST END IN. 22 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.