The Gear,bevel, cataloged under National Stock Number 3020-00-237-1399, 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 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-237-1399 |
| Primary Part Number | AFB29B |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| Keyway Nominal Width | 0.2490 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 1.6250 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 2.250 INCHES SECOND END IN |
| Teeth Quantity | 32 |
| Body Style | PLAIN, SOLID |
| Pitch Angle | 58.0000 DEGREES |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.4690 INCHES SECOND END IN |
| Teeth Type | STRAIGHT |
| Nominal Overall Length | 1.0590 INCHES IN |
| Style Designator | PERIPHERAL FACE, BACK HUB PROTRUDING |
| Material Document and Classification | MIL-S-890,CLASS B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 3.2000 INCHES NOMINAL IN |
| Nominal Outside Diameter | 3.3000 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.9218 INCHES BOTH ENDS IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL OVERALL |
| Body Recess Nominal Depth | 0.1530 INCHES FIRST END IN |
| Face Nominal Width | 0.500 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 |
|---|---|
| AFB29B PRIMARY | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| AFB29B | 3/9 Design control — primary reference U.S. Government activity |
NSN 3020-00-237-1399 is a Gear,bevel, manufactured by Fairbanks Morse, Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-237-1399 has 1 manufacturer part number on file: AFB29B (Fairbanks Morse, Llc).
Key specifications for AFB29B: Keyway Nominal Width: 0.2490 INCHES BOTH ENDS IN; Bore Nominal Diameter: 1.6250 INCHES BOTH ENDS IN; Hub Nominal Diameter: 2.250 INCHES SECOND END IN; Teeth Quantity: 32. 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.
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.