The Gear,bevel, cataloged under National Stock Number 3020-01-197-7002, 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 Martin Sprocket and Gear Inc. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-197-7002 |
| Primary Part Number | BS1218-2 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Martin Sprocket and Gear Inc |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.000 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 1.312 INCHES SECOND END IN |
| Teeth Quantity | 18 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.812 INCHES SECOND END IN |
| Nominal Overall Length | 0.750 INCHES IN |
| Style Designator | PERIPHERAL FACE, BACK HUB PROTRUDING |
| Pitch Diameter | 1.5000 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN SECOND END |
| Nominal Outside Diameter | 1.700 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Face Nominal Width | 0.530 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 |
|---|---|
| BS1218-2 PRIMARY | Martin Sprocket and Gear Inc (USA) |
| Reference | Meaning |
|---|---|
| C-14051 ITEM 4 | 5/9 Secondary reference New England Trawler Equipment Co |
NSN 3020-01-197-7002 is a Gear,bevel, manufactured by Martin Sprocket and Gear Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-197-7002 has 1 manufacturer part number on file: BS1218-2 (Martin Sprocket and Gear Inc).
Key specifications for BS1218-2: Bore Nominal Diameter: 1.000 INCHES BOTH ENDS IN; Hub Nominal Diameter: 1.312 INCHES SECOND END IN; Teeth Quantity: 18; Body Style: PLAIN, SOLID. 13 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.