The Gear,spur, cataloged under National Stock Number 3020-01-311-0170, 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 Air Armament Center/ En. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-311-0170 |
| Primary Part Number | 8644626-01 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Air Armament Center/ En |
| Status | ACTIVE |
| Teeth Quantity | 30 |
| Pitch Diameter | 1.8750 INCHES NOMINAL IN |
| Nominal Outside Diameter | 2.000 INCHES IN |
| Pressure Angle | 25.0000 DEGREES |
| Material | STEEL COMP 8620 OVERALL |
| Face Nominal Width | 0.750 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 |
|---|---|
| 8644626-01 | Air Armament Center/ En (USA) |
| Reference | Meaning |
|---|---|
| 8644626-01 | 3/9 Design control — primary reference U.S. Government activity |
NSN 3020-01-311-0170 is a Gear,spur, manufactured by Air Armament Center/ En, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-311-0170 has 1 manufacturer part number on file: 8644626-01 (Air Armament Center/ En).
Key specifications for 8644626-01: Teeth Quantity: 30; Pitch Diameter: 1.8750 INCHES NOMINAL IN; Nominal Outside Diameter: 2.000 INCHES IN; End Item Identification: 1730-01-211-3504. 6 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.