The Gear,helical, cataloged under National Stock Number 3020-00-249-1165, 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 17 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 | 3020-00-249-1165 |
| Primary Part Number | 4668-4500-94 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Bae Systems Land & Armaments L.p. |
| Status | ACTIVE |
| Keyway Nominal Width | 0.125 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 0.746 INCHES BOTH ENDS IN |
| Helix Angle | 7.5000 DEGREES |
| Teeth Quantity | 10 |
| Body Style | PLAIN, SOLID |
| Tooth Direction | RIGHT |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Teeth Type | SINGLE HELIX |
| Style Designator | HUBLESS |
| Material Document and Classification | MIL-S-869,COMP N,CLASS C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.5000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Nominal Outside Diameter | 1.743 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.436 INCHES BOTH ENDS IN |
| Pressure Angle | 34.0000 DEGREES |
| Material | STEEL COMP N OVERALL |
| Face Nominal Width | 0.748 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 |
|---|---|
| 4668-4500-94 PRIMARY | Bae Systems Land & Armaments L.p. (USA) |
NSN 3020-00-249-1165 is a Gear,helical, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-249-1165 has 1 manufacturer part number on file: 4668-4500-94 (Bae Systems Land & Armaments L.p.).
Key specifications for 4668-4500-94: Keyway Nominal Width: 0.125 INCHES BOTH ENDS IN; Bore Nominal Diameter: 0.746 INCHES BOTH ENDS IN; Helix Angle: 7.5000 DEGREES; Teeth Quantity: 10. 17 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.