The Sprocket Wheel Segment,drive Uni, cataloged under National Stock Number 3020-01-502-4380, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-502-4380 |
| Item Name | Sprocket Wheel Segment,drive Uni |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| 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 |
|---|---|
| 596-7409917-90 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
| B831-2412-90 | 3/2 Design control — primary reference U.S. Government activity |
| 7409917 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3020-01-502-4380 is a Sprocket Wheel Segment,drive Uni, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 3010-01-503-2499, 3010-01-503-2511. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-01-502-4380: End Item Identification: INDICATOR AS,LOS ANGELES CLASS SSN(688). 0 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.