The Gear,bevel, cataloged under National Stock Number 3020-01-298-6777, 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 General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems. Government technical data includes 24 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 | 3020-01-298-6777 |
| Primary Part Number | 10029100 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.530 INCHES FIRST END IN |
| Hub Nominal Diameter | 0.670 INCHES SECOND END IN |
| Hub Nominal Diameter | 0.740 INCHES FIRST END IN |
| Teeth Quantity | 22 |
| Surface Treatment Document and Classification | MIL-STD-171 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Body Style | PLAIN, SOLID |
| Pitch Angle | 45.0000 DEGREES |
| Bore Style | INVOLUTE SPLINE SECOND END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.570 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.100 INCHES SECOND END IN |
| Teeth Type | STRAIGHT |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Overall Length | 0.900 INCHES IN |
| Style Designator | SIDE FACE, PROTRUDING HUBS |
| Material Document and Classification | ASTM-A322 ASSN STD 1ST MATERIAL RESPONSE OR ASTM-A331 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 2.5000 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN BOTH ENDS |
| Spline Quantity | 15 SECOND END |
| Nominal Outside Diameter | 2.660 INCHES IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 4130 OR STEEL COMP 4140 OVERALL |
| Spline Pitch Diameter | 0.4688 INCHES NOMINAL SECOND END IN |
| Face Nominal Width | 0.400 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 10029100 PRIMARY | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA) |
NSN 3020-01-298-6777 is a Gear,bevel, manufactured by General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-298-6777 has 1 manufacturer part number on file: 10029100 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).
Key specifications for 10029100: Bore Nominal Diameter: 0.530 INCHES FIRST END IN; Hub Nominal Diameter: 0.670 INCHES SECOND END IN; Hub Nominal Diameter: 0.740 INCHES FIRST END IN; Teeth Quantity: 22. 24 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 3020-01-298-6777 has DEMIL Code Q. 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.