The Sprocket Wheel, cataloged under National Stock Number 3020-00-322-1406, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-00-322-1406 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Spline Minor Diameter | 0.675 INCHES NOMINAL IN |
| Hub Outside Diameter | 0.940 INCHES NOMINAL BB END IN |
| Hub Outside Diameter | 1.180 INCHES NOMINAL AA END IN |
| Design Form | PLAIN |
| Teeth Hardness Rating | 76.0 ROCKWELL A MINIMUM AND 79.0 ROCKWELL A MAXIMUM |
| Tooth Pitch | 0.750 INCHES NOMINAL IN |
| Asa Standard Chain Number | 60-1 |
| Outside Diameter | 2.706 INCHES NOMINAL IN |
| Spline Length | 1.120 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Metallic Hardness Rating and Location | CARBURIZE .03 DEEP INDUCTION TEETH |
| Material Document and Classification | AISI C1117 ASSN STD SINGLE MATERIAL RESPONSE |
| Pitch Diameter | 1.469 INCHES NOMINAL IN |
| Spline Major Diameter | 0.788 INCHES NOMINAL IN |
| Bore Type | STRAIGHT SPLINE |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 6 |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | ROCKWELL |
| Spline Quantity | 10 |
| Distance From Hub End to Flange End | 0.120 INCHES NOMINAL BB END IN |
| Distance From Hub End to Flange End | 0.590 INCHES NOMINAL AA END IN |
| Material | STEEL COMP 1117 |
| Face Width | 0.410 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 |
| Reference | Meaning |
|---|---|
| 26352 | 3/9 Design control — primary reference Desa Industries Inc Div of Amca International Corp |
NSN 3020-00-322-1406 is a Sprocket Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 4820-00-592-5692, 5340-01-159-1278. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-00-322-1406: Spline Minor Diameter: 0.675 INCHES NOMINAL IN; Hub Outside Diameter: 0.940 INCHES NOMINAL BB END IN; Hub Outside Diameter: 1.180 INCHES NOMINAL AA END IN; Design Form: PLAIN. 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.