The Gear,spur, cataloged under National Stock Number 3020-00-294-7807, 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 Bae Systems Land & Armaments L.p.. Government technical data includes 16 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 | 3020-00-294-7807 |
| Primary Part Number | 4231-3030 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Bae Systems Land & Armaments L.p. |
| Status | ACTIVE |
| Keyway Nominal Width | 0.313 INCHES BOTH ENDS IN |
| Teeth Quantity | 36 |
| Body Style | PLAIN, SOLID |
| Bore Style | TAPERED W/KEYWAY FIRST END |
| Mounting Hole Type and Quantity | 2 THREADED AXIALLY THROUGH BODY FIRST END |
| Hardness Rating | 55.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | HUBLESS |
| Pitch Diameter | 3.0000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Nominal Outside Diameter | 3.167 INCHES IN |
| Mounting Hole Thread Quantity Per Inch | 16 AXIALLY THROUGH BODY FIRST END |
| Pressure Angle | 14.5000 DEGREES |
| Bolt Hole Circle Nominal Diameter | 2.000 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Mounting Hole Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) AXIALLY THROUGH BODY FIRST END |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 1.250 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 |
|---|---|
| 4231-3030 PRIMARY | Bae Systems Land & Armaments L.p. (USA) |
NSN 3020-00-294-7807 is a Gear,spur, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-294-7807 has 1 manufacturer part number on file: 4231-3030 (Bae Systems Land & Armaments L.p.).
Key specifications for 4231-3030: Keyway Nominal Width: 0.313 INCHES BOTH ENDS IN; Teeth Quantity: 36; Body Style: PLAIN, SOLID; Bore Style: TAPERED W/KEYWAY FIRST END. 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.