The Gear,helical, cataloged under National Stock Number 3020-01-256-4761, 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 Lake Shore Systems, Inc.. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-256-4761 |
| Primary Part Number | 1113832 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Material Document and Classification | QQ-S-624-FS4140 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL COMP 4140 OVERALL |
| 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 |
|---|---|
| 1113832 PRIMARY | Lake Shore Systems, Inc. (USA) |
| 54575 LINE 12 | Lake Shore Systems, Inc. (USA) |
NSN 3020-01-256-4761 is a Gear,helical, manufactured by Lake Shore Systems, Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-256-4761 has 2 manufacturer part numbers on file: 1113832 (Lake Shore Systems, Inc.), 54575 LINE 12 (Lake Shore Systems, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 6530-01-545-7942. Verify interchangeability with system specifications before substitution.
Key specifications for 1113832: Material Document and Classification: QQ-S-624-FS4140 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL COMP 4140 OVERALL. 2 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.