The Sprocket Wheel, cataloged under National Stock Number 3020-01-422-7219, 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 Kidde Fire Fighting, Inc. Div National Foam. Government technical data includes 27 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-01-422-7219 |
| Primary Part Number | 1534-0031 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Kidde Fire Fighting, Inc. Div National Foam |
| Status | ACTIVE |
| Securing Method | THREADED HOLE(S) |
| Bore Length | 0.750 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.375 INCHES NOMINAL IN |
| Asa Standard Chain Number | 35 |
| Outside Diameter | 1.380 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 |
| Thread Direction | RIGHT-HAND |
| 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 | 0.411 INCHES NOMINAL IN |
| Securing Hole Quantity | 1 |
| Thread Size | 5/16-18 |
| Keyway Width | 0.188 INCHES NOMINAL IN |
| Hole Location | 90 DEGREES FROM KEYWAY ON HUB |
| Bore Diameter | 0.625 INCHES NOMINAL IN |
| Material | STEEL |
| Furnished Items | KEYING FACILITY |
| Face Width | 0.168 INCHES NOMINAL IN |
| 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 |
|---|---|
| 1534-0031 | Kidde Fire Fighting, Inc. Div National Foam (USA) |
| 3219-9004-5 ITEM 6 | Kidde Fire Fighting, Inc. Div National Foam (USA) |
| 3229-8015-0 | Kidde Fire Fighting, Inc. Div National Foam (USA) |
| Reference | Meaning |
|---|---|
| 01554610 | 5/9 Secondary reference Kidde Fire Fighting, Inc. Div National Foam |
| 35BS10-5/8 | 3/9 Design control — primary reference Martin Sprocket and Gear Inc |
NSN 3020-01-422-7219 is a Sprocket Wheel, manufactured by Kidde Fire Fighting, Inc. Div National Foam, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-422-7219 has 3 manufacturer part numbers on file: 1534-0031 (Kidde Fire Fighting, Inc. Div National Foam), 3219-9004-5 ITEM 6 (Kidde Fire Fighting, Inc. Div National Foam), 3229-8015-0 (Kidde Fire Fighting, Inc. Div National Foam).
Key specifications for 1534-0031: Securing Method: THREADED HOLE(S); Bore Length: 0.750 INCHES NOMINAL IN; Design Form: PLAIN; Tooth Pitch: 0.375 INCHES NOMINAL IN. 27 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.