The Gear,spur, cataloged under National Stock Number 3020-00-294-7844, 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 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 23 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-00-294-7844 |
| Primary Part Number | 7604691 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Keyway Nominal Width | 0.062 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 0.240 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.500 INCHES FIRST END IN |
| Teeth Quantity | 96 |
| Body Style | PLAIN, WITH LIGHTENING HOLES |
| Counterbore Nominal Diameter | 0.562 INCHES SECOND END IN |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.328 INCHES FIRST END IN |
| Hardness Rating | 89.0 ROCKWELL B MINIMUM AND 94.0 ROCKWELL B MAXIMUM HUB |
| Hardness Rating | 89.0 ROCKWELL B MINIMUM AND 94.0 ROCKWELL B MAXIMUM TEETH |
| Nominal Overall Length | 0.453 INCHES IN |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | QQ-S-763,CLASS 6,TYPE C FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 2.0000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 2.042 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.167 INCHES BOTH ENDS IN |
| Surface Treatment | PASSIVATE OVERALL |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL COMP 416 OVERALL |
| Counterbore Nominal Depth | 0.125 INCHES SECOND END IN |
| Face Nominal Width | 0.125 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 |
|---|---|
| 7604691 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| 7620573 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| BL94572 | 5/9 Secondary reference American Telephone and Telegraph Co |
| BL94572 | 5/9 Secondary reference At and T Corp |
NSN 3020-00-294-7844 is a Gear,spur, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-294-7844 has 2 manufacturer part numbers on file: 7604691 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 7620573 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 7604691: Keyway Nominal Width: 0.062 INCHES BOTH ENDS IN; Bore Nominal Diameter: 0.240 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.500 INCHES FIRST END IN; Teeth Quantity: 96. 23 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.