The Gear,bevel, cataloged under National Stock Number 3020-00-294-7165, 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 22 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-294-7165 |
| Primary Part Number | ADH1722B |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| Keyway Nominal Width | 0.374 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 1.875 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 1.750 INCHES FIRST END IN |
| Hub Nominal Diameter | 1.875 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Recessed Hub End | 1.165 INCHES FIRST END IN |
| Teeth Quantity | 20 |
| Body Style | PLAIN, SOLID |
| Pitch Angle | 43.5998 DEGREES |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.2500 INCHES SECOND END IN |
| Teeth Type | STRAIGHT |
| Hardness Rating | 55.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Overall Length | 1.1650 INCHES IN |
| Style Designator | PERIPHERAL FACE, FRONT HUB RECESSED, BACK HUB PROTRUDING |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 3.3333 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 3.575 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.703 INCHES BOTH ENDS IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL COMP 4615 OVERALL |
| Face Nominal Width | 0.812 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 |
|---|---|
| ADH1722B PRIMARY | Fairbanks Morse, Llc (USA) |
| 3157500PC37 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| ADH1722B | 3/9 Design control — primary reference U.S. Government activity |
| 3157500PC37 | 5/9 Secondary reference U.S. Government activity |
NSN 3020-00-294-7165 is a Gear,bevel, manufactured by Fairbanks Morse, Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-294-7165 has 2 manufacturer part numbers on file: ADH1722B (Fairbanks Morse, Llc), 3157500PC37 (Naval Sea Systems Command).
Key specifications for ADH1722B: Keyway Nominal Width: 0.374 INCHES BOTH ENDS IN; Bore Nominal Diameter: 1.875 INCHES BOTH ENDS IN; Hub Nominal Diameter: 1.750 INCHES FIRST END IN; Hub Nominal Diameter: 1.875 INCHES SECOND END IN. 22 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.