The Sprocket Wheel, cataloged under National Stock Number 3020-01-376-1359, 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 24 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-376-1359 |
| Primary Part Number | 35BS10 5/8 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Martin Sprocket and Gear Inc |
| Status | ACTIVE |
| Securing Method | SETSCREW |
| Bore Length | 0.750 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.375 INCHES NOMINAL IN |
| Asa Standard Chain Number | 35 |
| Outside Diameter | 1.573 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Pitch Diameter | 1.214 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 10 |
| Nominal Thread Size | 0.312 INCHES IN |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | NOT RATED |
| Distance From Center of Bore to Bottom of Keyway | 0.406 INCHES NOMINAL IN |
| Keyway Width | 0.188 INCHES NOMINAL IN |
| Bore Diameter | 0.625 INCHES NOMINAL IN |
| Material | STEEL |
| Furnished Items | KEYING FACILITY |
| Face Width | 0.168 INCHES NOMINAL IN |
| Furnished Items and Quantity | ONE SETSCREW |
| Securing Location | BB END |
| 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 |
|---|---|
| 35BS10 5/8 PRIMARY | Martin Sprocket and Gear Inc (USA) |
| Reference | Meaning |
|---|---|
| 35B10-5/8 | 5/9 Secondary reference Altra Industrial Motion Corp. |
NSN 3020-01-376-1359 is a Sprocket Wheel, manufactured by Martin Sprocket and Gear Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-376-1359 has 1 manufacturer part number on file: 35BS10 5/8 (Martin Sprocket and Gear Inc).
1 possible match (shared part number, not a government interchangeability claim): 3020-01-422-7219. Verify interchangeability with system specifications before substitution.
Key specifications for 35BS10 5/8: Securing Method: SETSCREW; Bore Length: 0.750 INCHES NOMINAL IN; Design Form: PLAIN; Tooth Pitch: 0.375 INCHES NOMINAL IN. 24 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.