The Gear,antibacklash,spur, cataloged under National Stock Number 3020-00-760-4734, 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 21 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-760-4734 |
| Primary Part Number | 7604734 |
| Item Name | Gear,antibacklash,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 |
| Furnished Items and Quantity | 2 SPRING AND 2 STUD |
| Bore Nominal Diameter | 0.313 INCHES BOTH ENDS IN |
| Teeth Quantity | 150 |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.276 INCHES FIRST END IN |
| First Step Nominal Length | 0.120 INCHES FIRST END IN |
| Precision Classification | QUALITY NUMBER 8 |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | QQ-A-355,T3 FED SPEC SINGLE MATERIAL RESPONSE FIRST GEAR |
| Material Document and Classification | QQ-S-763,CLASS 6,TYPE C FED SPEC SINGLE MATERIAL RESPONSE HUB |
| Pitch Diameter | 3.1250 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 0.625 INCHES FIRST END IN |
| Hub Style Designator | 1 STEP FIRST END |
| End Nominal Length | 0.094 INCHES FIRST END IN |
| Nominal Outside Diameter | 3.166 INCHES IN |
| End Nominal Diameter | 0.499 INCHES FIRST END IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | ALUMINUM ALLOY 2024 FIRST GEAR |
| Material | STEEL CORROSION RESISTING HUB |
| Face Nominal Width | 0.091 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 |
|---|---|
| 7604734 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| BL90261 | 5/9 Secondary reference Lucent Technologies Inc Advanced Technology Systems |
| BL90261 | 5/9 Secondary reference American Telephone and Telegraph Co |
| BL90261 | 5/9 Secondary reference At and T Corp |
NSN 3020-00-760-4734 is a Gear,antibacklash,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 3020-00-760-4734 has 1 manufacturer part number on file: 7604734 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 7604734: Furnished Items and Quantity: 2 SPRING AND 2 STUD; Bore Nominal Diameter: 0.313 INCHES BOTH ENDS IN; Teeth Quantity: 150; Bore Style: PLAIN BOTH ENDS. 21 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.