The Gear,spur, cataloged under National Stock Number 3020-01-342-8423, 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 11 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 | 3020-01-342-8423 |
| Primary Part Number | 23031586 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Nominal Distance Between Body Face and Recessed Hub End | 0.400 INCHES BOTH ENDS IN |
| Teeth Quantity | 75 |
| Surface Treatment Document and Classification | AMS2485 MFR REF ALL TREATMENT RESPONSES OVERALL |
| Body Style | WEBBED, SOLID |
| Style Designator | ONE FLUSH HUB, ONE RECESSED HUB |
| Pitch Diameter | 7.5000 INCHES NOMINAL IN |
| Nominal Outside Diameter | 7.698 INCHES IN |
| Surface Treatment | OXIDE OVERALL |
| Pressure Angle | 0.0250 DEGREES |
| Material | STEEL BODY |
| Face Nominal Width | 0.466 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 23031586 PRIMARY | Rolls-Royce Corporation (USA) |
NSN 3020-01-342-8423 is a Gear,spur, manufactured by Rolls-Royce Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-342-8423 has 1 manufacturer part number on file: 23031586 (Rolls-Royce Corporation).
Key specifications for 23031586: Nominal Distance Between Body Face and Recessed Hub End: 0.400 INCHES BOTH ENDS IN; Teeth Quantity: 75; Surface Treatment Document and Classification: AMS2485 MFR REF ALL TREATMENT RESPONSES OVERALL; Body Style: WEBBED, SOLID. 11 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 3020-01-342-8423 has DEMIL Code B. 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.