The Gear,spur, cataloged under National Stock Number 3020-01-079-2948, 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 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-01-079-2948 |
| Primary Part Number | J7-56-.3438 SPECIAL 14.5 DEG |
| 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 |
| Teeth Quantity | 56 |
| Body Style | PLAIN, SOLID |
| Style Designator | HUBLESS |
| Pitch Diameter | 0.5833 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Nominal Outside Diameter | 0.604 INCHES IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Attachment Method | PRESS FIT |
| Face Nominal Width | 0.125 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| J7-56-.3438 SPECIAL 14.5 DEG PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| 12282396 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| F9653-56-SPECBORE.3438-Q12SPECFM | 5/9 Secondary reference W. M. Berg, Inc. |
| 12282396 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 3020-01-079-2948 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 3020-01-079-2948 has 2 manufacturer part numbers on file: J7-56-.3438 SPECIAL 14.5 DEG (Roller Bearing Co of America, Inc Div Pic Design), 12282396 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for J7-56-.3438 SPECIAL 14.5 DEG: Teeth Quantity: 56; Body Style: PLAIN, SOLID; Style Designator: HUBLESS; Pitch Diameter: 0.5833 INCHES NOMINAL IN. 9 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 3020-01-079-2948 has DEMIL Code Q. 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.