The Flange,sprocket, cataloged under National Stock Number 3020-01-357-7983, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-357-7983 |
| Item Name | Flange,sprocket |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| General Characteristics Item Description | 70-30 COPPER/NICKEL; 10.380 IN. OD; 0.098 IN. THK; 8.265 IN. BORE DIA; EIGHT HOLES 0.281 IN. DIA EQUALLY SPACED 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 |
|---|---|
| 53X-02-254 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 53X-02-254 | 3/9 Design control — primary reference Illinois Tool Wks Inc Linac Div |
NSN 3020-01-357-7983 is a Flange,sprocket, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-357-7983: General Characteristics Item Description: 70-30 COPPER/NICKEL; 10.380 IN. OD; 0.098 IN. THK; 8.265 IN. BORE DIA; EIGHT HOLES 0.281 IN. DIA EQUALLY SPACED IN. 1 specification is 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.