The Gear,spur, cataloged under National Stock Number 3020-00-893-8329, 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 20 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 | 3020-00-893-8329 |
| Primary Part Number | 823D780 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
| Status | ACTIVE |
| Hub Nominal Diameter | 1.000 INCHES FIRST END IN |
| Teeth Quantity | 60 |
| Body Style | WEBBED, OFFSET, WITH LIGHTENING HOLES |
| Bore Style | SERRATED BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.154 INCHES FIRST END IN |
| Serration Pitch Diameter | 0.7188 INCHES NOMINAL BOTH ENDS IN |
| Precision Classification | QUALITY NUMBER 9 |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Overall Length | 0.655 INCHES IN |
| Style Designator | ONE PROTRUDING HUB, ONE FLUSH HUB |
| Material Document and Classification | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 3.7500 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 3.865 INCHES IN |
| Serration Quantity | 23 BOTH ENDS |
| Surface Treatment | PASSIVATE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.500 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 823D780 PRIMARY | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA) |
NSN 3020-00-893-8329 is a Gear,spur, manufactured by General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-893-8329 has 1 manufacturer part number on file: 823D780 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).
Key specifications for 823D780: Hub Nominal Diameter: 1.000 INCHES FIRST END IN; Teeth Quantity: 60; Body Style: WEBBED, OFFSET, WITH LIGHTENING HOLES; Bore Style: SERRATED BOTH ENDS. 20 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 3020-00-893-8329 has DEMIL Code B. 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.