The Gear,spur, cataloged under National Stock Number 3020-00-786-6400, 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 13 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 | 3020-00-786-6400 |
| Primary Part Number | 9178816 |
| 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 | 0.250 INCHES BOTH ENDS IN |
| Teeth Quantity | 112 |
| Surface Treatment Document and Classification | MIL-S-171 ASSN STD SINGLE TREATMENT RESPONSE BORE SURFACE |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Style Designator | HUBLESS |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE BORE SURFACE |
| Pitch Diameter | 1.7500 INCHES NOMINAL IN |
| Nominal Outside Diameter | 1.781 INCHES IN |
| Surface Treatment | PASSIVATE BORE SURFACE |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL BORE SURFACE |
| Face Nominal Width | 0.125 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 |
|---|---|
| 9178816 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 3020-00-786-6400 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 3020-00-786-6400 has 1 manufacturer part number on file: 9178816 (Us Army Aviation and Missile Command).
Key specifications for 9178816: Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN; Teeth Quantity: 112; Surface Treatment Document and Classification: MIL-S-171 ASSN STD SINGLE TREATMENT RESPONSE BORE SURFACE; Body Style: PLAIN, SOLID. 13 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.