The Gear,bevel, cataloged under National Stock Number 3020-00-102-5597, 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 26 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 | 3020-00-102-5597 |
| Primary Part Number | 117D2521 |
| 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 | 0.760 INCHES SECOND END IN |
| Teeth Quantity | 26 |
| Body Style | PLAIN, SOLID |
| Pitch Angle | 31.1599 DEGREES |
| Tooth Direction | RIGHT |
| Bore Style | PLAIN SECOND END |
| Bore Style | SQUARE FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 2.390 INCHES SECOND END IN |
| First Step Nominal Length | 0.400 INCHES SECOND END IN |
| Precision Classification | QUALITY NUMBER 9 |
| Teeth Type | STRAIGHT |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM OVERALL |
| Nominal Overall Length | 2.830 INCHES IN |
| Style Designator | PERIPHERAL FACE, BACK HUB PROTRUDING |
| Bore Nominal Depth | 2.390 INCHES SECOND END IN |
| Material Document and Classification | AMS-5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.6250 INCHES NOMINAL IN |
| First Step Nominal Diameter | 1.380 INCHES SECOND END IN |
| Bore Nominal Width | 0.503 INCHES FIRST END IN |
| Hub Style Designator | 1 STEP SECOND END |
| End Nominal Length | 1.990 INCHES SECOND END IN |
| Nominal Outside Diameter | 1.763 INCHES IN |
| End Nominal Diameter | 1.180 INCHES SECOND END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 117D2521 PRIMARY | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA) |
NSN 3020-00-102-5597 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 3020-00-102-5597 has 1 manufacturer part number on file: 117D2521 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).
Key specifications for 117D2521: Bore Nominal Diameter: 0.760 INCHES SECOND END IN; Teeth Quantity: 26; Body Style: PLAIN, SOLID; Pitch Angle: 31.1599 DEGREES. 26 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.