The Gear,bevel, cataloged under National Stock Number 3020-01-294-5406, 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 Arrow Gear Llc. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-294-5406 |
| Primary Part Number | 39370 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Arrow Gear Llc |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.220 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.138 INCHES BOTH ENDS IN |
| Teeth Quantity | 35 |
| Body Style | PLAIN, SOLID |
| Pitch Angle | 36.6875 DEGREES |
| Tooth Direction | RIGHT |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.114 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.123 INCHES SECOND END IN |
| Teeth Type | SPIRAL |
| Nominal Overall Length | 0.500 INCHES IN |
| Style Designator | PERIPHERAL FACE, PROTRUDING HUBS |
| Material Document and Classification | AMS6265 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.7500 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 1.825 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP E9310 OVERALL |
| Face Nominal Width | 0.150 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3020-01-294-5406 is a Gear,bevel, manufactured by Arrow Gear Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-294-5406 has 2 manufacturer part numbers on file: 39370 (Arrow Gear Llc), 39370 (Triumph Gear Systems - Macomb, Inc).
2 possible matches (shared part number, not a government interchangeability claim): 3020-01-418-3539, 3020-01-419-6420. Verify interchangeability with system specifications before substitution.
Key specifications for 39370: Bore Nominal Diameter: 1.220 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.138 INCHES BOTH ENDS IN; Teeth Quantity: 35; Body Style: PLAIN, SOLID. 19 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.
NSN 3020-01-294-5406 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.