The Gear,spur, cataloged under National Stock Number 3020-01-115-5252, 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 The Boeing Company Div Defense. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-115-5252 |
| Primary Part Number | 76A113001-2017 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.500 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.750 INCHES FIRST END IN |
| Teeth Quantity | 172 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.350 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 2.6875 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PINNED FIRST END |
| Nominal Outside Diameter | 2.719 INCHES IN |
| Surface Treatment | OXIDE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 4130 OVERALL |
| Face Nominal Width | 0.250 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 |
|---|---|
| 76A113001-2017 PRIMARY | The Boeing Company Div Defense (USA) |
| 76A113001-2017 | Kreis Tool & Manufacturing Co., Inc. (USA) |
| Reference | Meaning |
|---|---|
| 76A113001 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 3020-01-115-5252 is a Gear,spur, manufactured by The Boeing Company Div Defense, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-115-5252 has 2 manufacturer part numbers on file: 76A113001-2017 (The Boeing Company Div Defense), 76A113001-2017 (Kreis Tool & Manufacturing Co., Inc.).
Key specifications for 76A113001-2017: Bore Nominal Diameter: 0.500 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.750 INCHES FIRST END IN; Teeth Quantity: 172; Body Style: PLAIN, SOLID. 16 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.