The Gear,spur, cataloged under National Stock Number 3020-01-259-8113, 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 Kearfott Corp Div Kearfott Corporation. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-259-8113 |
| Primary Part Number | 31291-4 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Kearfott Corp Div Kearfott Corporation |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.063 INCHES BOTH ENDS IN |
| Teeth Quantity | 18 |
| Bore Style | PLAIN BOTH ENDS |
| Style Designator | RECESSED HUBS |
| Material Document and Classification | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Tooth Form | STUB |
| Nominal Outside Diameter | 0.205 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 4130 OVERALL |
| 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 |
|---|---|
| 31291-4 PRIMARY | Kearfott Corp Div Kearfott Corporation (USA) |
| Reference | Meaning |
|---|---|
| 31291-4 | 5/9 Secondary reference Fl Aerospace Corp Janitrol Aero Div/general Design |
NSN 3020-01-259-8113 is a Gear,spur, manufactured by Kearfott Corp Div Kearfott Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-259-8113 has 1 manufacturer part number on file: 31291-4 (Kearfott Corp Div Kearfott Corporation).
Key specifications for 31291-4: Bore Nominal Diameter: 0.063 INCHES BOTH ENDS IN; Teeth Quantity: 18; Bore Style: PLAIN BOTH ENDS; Style Designator: RECESSED HUBS. 9 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 3020-01-259-8113 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.