The Gear,spur, cataloged under National Stock Number 3020-01-342-8422, 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 Rolls-Royce Corporation. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-342-8422 |
| Primary Part Number | 23031585 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Teeth Quantity | 56 |
| Surface Treatment Document and Classification | AMS2485 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Body Style | WEBBED, OFFSET, SOLID |
| Nominal Distance Between Body Face and Protruding Hub End | 0.739 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 2.342 INCHES SECOND END IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | AMS6265 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 4.7400 INCHES NOMINAL IN |
| Nominal Outside Diameter | 5.069 INCHES IN |
| Surface Treatment | OXIDE OVERALL |
| Pressure Angle | 0.0250 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.647 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 23031585 PRIMARY | Rolls-Royce Corporation (USA) |
NSN 3020-01-342-8422 is a Gear,spur, manufactured by Rolls-Royce Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-342-8422 has 1 manufacturer part number on file: 23031585 (Rolls-Royce Corporation).
Key specifications for 23031585: Teeth Quantity: 56; Surface Treatment Document and Classification: AMS2485 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Body Style: WEBBED, OFFSET, SOLID; Nominal Distance Between Body Face and Protruding Hub End: 0.739 INCHES FIRST END IN. 13 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.
NSN 3020-01-342-8422 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.