The Sprocket Wheel, cataloged under National Stock Number 3020-00-517-2425, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 28 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-517-2425 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Hub Outside Diameter | 4.375 INCHES NOMINAL BOTH ENDS IN |
| Securing Method | THREADED HOLE(S) |
| Bore Length | 2.344 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Teeth Hardness Rating | 35.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM |
| Tooth Pitch | 0.750 INCHES NOMINAL IN |
| Asa Standard Chain Number | 60 |
| Outside Diameter | 5.675 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Material Document and Classification | SAE 1113 ASSN STD SINGLE MATERIAL RESPONSE |
| Pitch Diameter | 5.270 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Counterbore Depth | 0.614 INCHES MINIMUM AND 0.624 INCHES MAXIMUM AND 0.7047 INCHES MINIMUM AND 0.7147 INCHES MAXIMUM IN |
| Teeth Row Quantity | 2 |
| Teeth Quantity Per Row | 22 |
| Counterbore Location | BOTH ENDS |
| Hardness Rating Test Method | ROCKWELL |
| Counterbore Diameter | 3.1491 INCHES NOMINAL IN |
| Distance From Hub End to Flange End | 0.324 INCHES MINIMUM AND 0.334 INCHES MAXIMUM BB END IN |
| Distance From Hub End to Flange End | 0.673 INCHES NOMINAL AA END IN |
| Securing Hole Quantity | 4 |
| Bolt Circle Diameter | 3.750 INCHES NOMINAL IN |
| Thread Size | 5/16-24 |
| Center to Center Distance Between Teeth Rows | 0.897 INCHES NOMINAL IN |
| Hole Location | LOCATED 90 DEG APART,HORIZONTAL TO BORE ON 3-3/4 IN. BOLT CIRCLE IN |
| Bore Diameter | 2.875 INCHES NOMINAL IN |
| Material | STEEL COMP 1213 |
| Furnished Items | COUNTERBORE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| ADH3059A2REVC | 5/9 Secondary reference U.S. Government activity |
| CADH3059A | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| ADH3059A | C/1 Advisory reference — outside the item-of-supply concept Fairbanks Morse, Llc |
| ADH3059A2REVC | C/1 Advisory reference — outside the item-of-supply concept Fairbanks Morse, Llc |
| 3155586REVC | 5/2 Secondary reference U.S. Government activity |
| ADH3059A | 3/9 Design control — primary reference U.S. Government activity |
NSN 3020-00-517-2425 is a Sprocket Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-517-2425: Hub Outside Diameter: 4.375 INCHES NOMINAL BOTH ENDS IN; Securing Method: THREADED HOLE(S); Bore Length: 2.344 INCHES NOMINAL IN; Design Form: PLAIN. 28 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.