The Gear,spur, cataloged under National Stock Number 3020-00-015-8616, 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 Solar Turbines Incorporated Dba Solar Turbines Incorporated. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-015-8616 |
| Primary Part Number | 31371-1 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Solar Turbines Incorporated Dba Solar Turbines Incorporated |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.170 INCHES FIRST END IN |
| Bore Nominal Diameter | 1.1700 INCHES COUNTER BORE SECOND END IN |
| Hub Nominal Diameter | 1.5620 INCHES BOTH ENDS IN |
| Teeth Quantity | 59 |
| Surface Treatment Document and Classification | MIL-C-13924,CLASS1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Body Style | WEBBED, OFFSET, SOLID |
| Counterbore Nominal Diameter | 1.3772 INCHES COUNTER BORE SECOND END IN |
| Bore Style | W/COUNTERBORE COUNTER BORE SECOND END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.006 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.4390 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | AMS6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 2.9500 INCHES NOMINAL IN |
| Tooth Form | STUB |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 3.0488 INCHES IN |
| Surface Treatment | OXIDE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Counterbore Nominal Depth | 0.7340 INCHES COUNTER BORE SECOND END IN |
| Face Nominal Width | 0.313 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 |
NSN 3020-00-015-8616 is a Gear,spur, manufactured by Solar Turbines Incorporated Dba Solar Turbines Incorporated, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-015-8616 has 2 manufacturer part numbers on file: 31371-1 (Solar Turbines Incorporated Dba Solar Turbines Incorporated), 31371-1 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 31371-1: Bore Nominal Diameter: 1.170 INCHES FIRST END IN; Bore Nominal Diameter: 1.1700 INCHES COUNTER BORE SECOND END IN; Hub Nominal Diameter: 1.5620 INCHES BOTH ENDS IN; Teeth Quantity: 59. 21 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.