The Sprocket Wheel, cataloged under National Stock Number 3020-01-239-7712, 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 Insinger Machine Co. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-239-7712 |
| Primary Part Number | D2416 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Insinger Machine Co |
| Status | ACTIVE |
| Hub Outside Diameter | 1.438 INCHES NOMINAL AA END IN |
| Bore Length | 0.875 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Lubrication Mode | NO VISIBLE MEANS |
| Tooth Pitch | 0.500 INCHES NOMINAL IN |
| Asa Standard Chain Number | 41 |
| Outside Diameter | 2.000 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Pitch Diameter | 1.775 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 11 |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | NOT RATED |
| Distance From Hub End to Flange End | 0.648 INCHES NOMINAL AA END IN |
| Surface Treatment | PAINT |
| Bore Diameter | 0.500 INCHES NOMINAL IN |
| Material | STEEL |
| Furnished Items | BORE BEARING |
| Face Width | 0.227 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 |
|---|---|
| D2416 PRIMARY | Insinger Machine Co (USA) |
| Reference | Meaning |
|---|---|
| 820-20 | 5/9 Secondary reference Insinger Machine Co |
NSN 3020-01-239-7712 is a Sprocket Wheel, manufactured by Insinger Machine Co, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-239-7712 has 1 manufacturer part number on file: D2416 (Insinger Machine Co).
3 possible matches (shared part number, not a government interchangeability claim): 4240-01-269-9709, 1270-01-286-9512, 5365-01-524-7323. Verify interchangeability with system specifications before substitution.
Key specifications for D2416: Hub Outside Diameter: 1.438 INCHES NOMINAL AA END IN; Bore Length: 0.875 INCHES NOMINAL IN; Design Form: PLAIN; Lubrication Mode: NO VISIBLE MEANS. 20 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.