The Sprocket Wheel, cataloged under National Stock Number 3020-01-117-8674, 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 Antenna Products Corporation Dba Antenna Products Corp. Government technical data includes 26 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-117-8674 |
| Primary Part Number | 3970-0141-002 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Antenna Products Corporation Dba Antenna Products Corp |
| Status | ACTIVE |
| Hub Outside Diameter | 4.000 INCHES NOMINAL AA END IN |
| Securing Method | THREADED HOLE(S) |
| Bore Length | 1.875 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Tooth Pitch | 1.250 INCHES NOMINAL IN |
| Asa Standard Chain Number | 100 |
| Outside Diameter | 5.4200 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Pitch Diameter | 4.8300 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 12 |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | NOT RATED |
| Distance From Center of Bore to Bottom of Keyway | 1.375 INCHES NOMINAL IN |
| Distance From Hub End to Flange End | 1.183 INCHES NOMINAL AA END IN |
| Securing Hole Quantity | 1 |
| Thread Size | 3/8-24 |
| Keyway Width | 0.500 INCHES NOMINAL IN |
| Hole Location | ON HUB |
| Bore Diameter | 2.251 INCHES NOMINAL IN |
| Material | STEEL |
| Furnished Items | KEYING FACILITY |
| Face Width | 0.692 INCHES NOMINAL 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 |
|---|---|
| 3970-0141-002 PRIMARY | Antenna Products Corporation Dba Antenna Products Corp (USA) |
| Reference | Meaning |
|---|---|
| 100B12 | 5/9 Secondary reference Martin Sprocket and Gear Inc |
NSN 3020-01-117-8674 is a Sprocket Wheel, manufactured by Antenna Products Corporation Dba Antenna Products Corp, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-117-8674 has 1 manufacturer part number on file: 3970-0141-002 (Antenna Products Corporation Dba Antenna Products Corp).
Key specifications for 3970-0141-002: Hub Outside Diameter: 4.000 INCHES NOMINAL AA END IN; Securing Method: THREADED HOLE(S); Bore Length: 1.875 INCHES NOMINAL IN; Design Form: PLAIN. 26 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.