The Gear,spur, cataloged under National Stock Number 3020-00-773-1981, 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 Us Army Aviation and Missile Command. Government technical data includes 27 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 | 3020-00-773-1981 |
| Primary Part Number | 9015655 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.625 INCHES SECOND END IN |
| Bore Nominal Diameter | 0.766 INCHES FIRST END IN |
| Hub Nominal Diameter | 1.808 INCHES SECOND END IN |
| Teeth Quantity | 85 |
| Body Style | PLAIN, SOLID |
| Pilot Nominal Diameter | 1.808 INCHES IN |
| Flange Nominal Thickness | 0.203 INCHES IN |
| Flange Nominal Diameter | 2.438 INCHES IN |
| Bore Style | PLAIN BOTH ENDS |
| First Step Nominal Length | 0.172 INCHES FIRST END IN |
| Hardness Rating | 25.0 ROCKWELL C NOMINAL OVERALL |
| Style Designator | FLANGED END WITH PILOT |
| Material Document and Classification | QQ-S-763,CL 6 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | QQ-S-763,CL 7 FED SPEC SINGLE MATERIAL RESPONSE HUB |
| Pitch Diameter | 1.7708 INCHES NOMINAL IN |
| Tooth Form | STUB |
| First Step Nominal Diameter | 1.251 INCHES FIRST END IN |
| Nominal Distance Between Outer Body Face and Inner Flange Face | 0.469 INCHES IN |
| Hub Style Designator | 1 STEP FIRST END |
| Hub Style Designator | PLAIN SECOND END |
| Pilot Nominal Length | 0.140 INCHES IN |
| End Nominal Length | 0.891 INCHES FIRST END IN |
| Nominal Outside Diameter | 2.438 INCHES IN |
| End Nominal Diameter | 0.984 INCHES FIRST END IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL CORROSION RESISTING OVERALL |
| Face Nominal Width | 0.203 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 |
|---|---|
| 9015655 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 3020-00-773-1981 is a Gear,spur, manufactured by Us Army Aviation and Missile Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-773-1981 has 1 manufacturer part number on file: 9015655 (Us Army Aviation and Missile Command).
Key specifications for 9015655: Bore Nominal Diameter: 1.625 INCHES SECOND END IN; Bore Nominal Diameter: 0.766 INCHES FIRST END IN; Hub Nominal Diameter: 1.808 INCHES SECOND END IN; Teeth Quantity: 85. 27 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.