The Gear,spur, cataloged under National Stock Number 3020-01-195-9252, 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 Altra Industrial Motion Corp.. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-01-195-9252 |
| Primary Part Number | YJ-48B |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Altra Industrial Motion Corp. |
| Status | ACTIVE |
| Bore Nominal Diameter | 2.187 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 3.000 INCHES FIRST END IN |
| Teeth Quantity | 48 |
| Body Style | WEBBED, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 1.500 INCHES FIRST END IN |
| Style Designator | ONE PROTRUDING HUB, ONE FLUSH HUB |
| Material Document and Classification | MIL-S-15083,GRADE B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 8.0000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 8.333 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL UNS J03008 OVERALL |
| Face Nominal Width | 2.000 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 |
|---|---|
| 58-A-15 PIECE 30 | Ametek Inc Schutte and Koerting Div (USA) |
| YJ-48B PRIMARY | Altra Industrial Motion Corp. (USA) |
| Reference | Meaning |
|---|---|
| WJ-48B | C/1 Advisory reference — outside the item-of-supply concept Altra Industrial Motion Corp. |
| 58-A-15 | D/9 Drawing number reference only Ametek Inc Schutte and Koerting Div |
NSN 3020-01-195-9252 is a Gear,spur, manufactured by Altra Industrial Motion Corp., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-195-9252 has 2 manufacturer part numbers on file: 58-A-15 PIECE 30 (Ametek Inc Schutte and Koerting Div), YJ-48B (Altra Industrial Motion Corp.).
Key specifications for YJ-48B: Bore Nominal Diameter: 2.187 INCHES BOTH ENDS IN; Hub Nominal Diameter: 3.000 INCHES FIRST END IN; Teeth Quantity: 48; Body Style: WEBBED, SOLID. 15 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.