The Gear,spur, cataloged under National Stock Number 3020-00-175-9285, 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 Roller Bearing Co of America, Inc Div Pic Design. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-175-9285 |
| Primary Part Number | J4-140WITHK2-3HUB2405B0RE |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Roller Bearing Co of America, Inc Div Pic Design |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.241 INCHES BOTH ENDS IN |
| Teeth Quantity | 140 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.281 INCHES FIRST END IN |
| First Step Nominal Length | 0.031 INCHES FIRST END IN |
| Precision Classification | QUALITY NUMBER 10 OR QUALITY NUMBER 11 |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE TEETH |
| Material Document and Classification | QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE HUB |
| Pitch Diameter | 2.1865 INCHES MINIMUM AND 2.1875 INCHES MAXIMUM IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 0.437 INCHES FIRST END IN |
| Hub Style Designator | 1 STEP FIRST END |
| End Nominal Length | 0.250 INCHES FIRST END IN |
| Nominal Outside Diameter | 2.218 INCHES IN |
| Surface Treatment | ANODIZE TEETH |
| Surface Treatment | PASSIVATE HUB |
| End Nominal Diameter | 0.312 INCHES FIRST END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | ALUMINUM ALLOY 2024 TEETH |
| Material | STEEL COMP 303 HUB |
| Attachment Method | CLAMP |
| 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 |
|---|---|
| J4-140WITHK2-3HUB2405B0RE PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| Reference | Meaning |
|---|---|
| 75-811194-5 | 5/9 Secondary reference General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems |
| J4-140K2-36 | C/1 Advisory reference — outside the item-of-supply concept Roller Bearing Co of America, Inc Div Pic Design |
NSN 3020-00-175-9285 is a Gear,spur, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-175-9285 has 1 manufacturer part number on file: J4-140WITHK2-3HUB2405B0RE (Roller Bearing Co of America, Inc Div Pic Design).
Key specifications for J4-140WITHK2-3HUB2405B0RE: Bore Nominal Diameter: 0.241 INCHES BOTH ENDS IN; Teeth Quantity: 140; Body Style: PLAIN, SOLID; Bore Style: PLAIN BOTH ENDS. 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.
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.