The Gear,spur, cataloged under National Stock Number 3020-00-628-0240, 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 23 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-628-0240 |
| Primary Part Number | J7-120-11C/K2-4 |
| 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 | 0.188 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.249 INCHES FIRST END IN |
| Backlash Designation | GRADE C |
| Teeth Quantity | 120 |
| Clamping Surface Nominal Length | 0.222 INCHES FIRST END IN |
| Surface Treatment Document and Classification | MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Body Style | WEBBED, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.240 INCHES FIRST END IN |
| Precision Classification | QUALITY NUMBER 11 |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | FED STD 66 FED STD ALL MATERIAL RESPONSES BODY |
| Material Document and Classification | FED STD 66 FED STD ALL MATERIAL RESPONSES HUB |
| Pitch Diameter | 1.2500 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | SPLIT FIRST END |
| Nominal Outside Diameter | 1.271 INCHES IN |
| Surface Treatment | PASSIVATE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 416 HUB |
| Material | STEEL COMP 302 OR STEEL COMP 303 BODY |
| Attachment Method | CLAMP |
| Face Nominal Width | 0.131 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 |
|---|---|
| J7-120-11C/K2-4 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| GC32-120-PIC PRIMARY | Secs Inc (USA) |
| 96120CT20-3/16PICSS | Harmonic Drive L.l.c. (USA) |
| 77C701436P101 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| 501-1201SHS1873/SSPIC | Southern Gear & Machine Inc (USA) |
| P25-120-Q11C | Designatronics Incorporated Div Sterling Instruments Div (USA) |
| Reference | Meaning |
|---|---|
| J7-120WITHK2-4 | C/1 Advisory reference — outside the item-of-supply concept Roller Bearing Co of America, Inc Div Pic Design |
NSN 3020-00-628-0240 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 3020-00-628-0240 has 6 manufacturer part numbers on file: J7-120-11C/K2-4 (Roller Bearing Co of America, Inc Div Pic Design), GC32-120-PIC (Secs Inc), 96120CT20-3/16PICSS (Harmonic Drive L.l.c.), 77C701436P101 (Lockheed Martin Corporation Div Rms), 501-1201SHS1873/SSPIC (Southern Gear & Machine Inc) and 1 more.
Key specifications for J7-120-11C/K2-4: Bore Nominal Diameter: 0.188 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.249 INCHES FIRST END IN; Backlash Designation: GRADE C; Teeth Quantity: 120. 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.