The Gear,spur, cataloged under National Stock Number 3020-01-422-7832, 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 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-422-7832 |
| Primary Part Number | NF12B-5/8 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Altra Industrial Motion Corp. |
| Status | ACTIVE |
| Keyway Nominal Width | 0.1880 INCHES SECOND END IN |
| Bore Nominal Diameter | 0.6250 INCHES SECOND END IN |
| Hub Nominal Diameter | 0.9220 INCHES BOTH ENDS IN |
| Teeth Quantity | 12 |
| Body Style | WEBBED, SOLID |
| Bore Style | W/ KEYWAY SECOND END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.6250 INCHES SECOND END IN |
| Style Designator | ONE PROTRUDING HUB, ONE FLUSH HUB |
| Pitch Diameter | 1.2000 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 1.4000 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.4065 INCHES SECOND END IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL OVERALL |
| Attachment Method | SETSCREWS |
| Face Nominal Width | 1.0000 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 |
|---|---|
| NF12B-5/8 PRIMARY | Altra Industrial Motion Corp. (USA) |
| 3213-9043-5 | Kidde Fire Fighting, Inc. Div National Foam (USA) |
| Reference | Meaning |
|---|---|
| 01554810 | 5/9 Secondary reference Kidde Fire Fighting, Inc. Div National Foam |
NSN 3020-01-422-7832 is a Gear,spur, manufactured by Altra Industrial Motion Corp., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-422-7832 has 2 manufacturer part numbers on file: NF12B-5/8 (Altra Industrial Motion Corp.), 3213-9043-5 (Kidde Fire Fighting, Inc. Div National Foam).
Key specifications for NF12B-5/8: Keyway Nominal Width: 0.1880 INCHES SECOND END IN; Bore Nominal Diameter: 0.6250 INCHES SECOND END IN; Hub Nominal Diameter: 0.9220 INCHES BOTH ENDS IN; Teeth Quantity: 12. 16 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.