The Gear,bevel, cataloged under National Stock Number 3020-00-237-1394, 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 Fairbanks Morse, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-237-1394 |
| Primary Part Number | ADD2659B |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| Hub Nominal Diameter | 1.500 INCHES SECOND END IN |
| Body Style | PLAIN, SOLID |
| Teeth Type | STRAIGHT |
| Nominal Overall Length | 1.213 INCHES IN |
| Style Designator | PERIPHERAL FACE, BACK HUB PROTRUDING |
| Material Document and Classification | MIL-S-16788,CLASS C4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 2.1670 INCHES NOMINAL IN |
| Nominal Outside Diameter | 2.3390 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.5460 INCHES BOTH ENDS IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL COMP 1040 OVERALL |
| Body Recess Nominal Depth | 0.2130 INCHES FIRST END IN |
| Face Nominal Width | 0.437 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 |
|---|---|
| ADD2659B PRIMARY | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| ADD2659B | 3/9 Design control — primary reference U.S. Government activity |
NSN 3020-00-237-1394 is a Gear,bevel, manufactured by Fairbanks Morse, Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-237-1394 has 1 manufacturer part number on file: ADD2659B (Fairbanks Morse, Llc).
Key specifications for ADD2659B: Hub Nominal Diameter: 1.500 INCHES SECOND END IN; Body Style: PLAIN, SOLID; Teeth Type: STRAIGHT; Nominal Overall Length: 1.213 INCHES IN. 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.