The Gear,helical, cataloged under National Stock Number 3020-01-355-7682, 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 Hersey Measurement Co Div of Miller Industries Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Gear,helical |
| FSC / FSG | 3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30) |
| Manufacturers | Hersey Measurement Co Div of Miller Industries Inc (CAGE 09550) |
| Parameter | Value |
|---|---|
| NSN | 3020-01-355-7682 |
| Primary Part Number | BDN-710 PIECE 17 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Hersey Measurement Co Div of Miller Industries Inc |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 51015G012 | Hersey Measurement Co Div of Miller Industries Inc (USA) |
| BDN-710 PIECE 17 PRIMARY | Hersey Measurement Co Div of Miller Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| BDN-710 | D/9 Drawing number reference only Hersey Measurement Co Div of Miller Industries Inc |
NSN 3020-01-355-7682 is a Gear,helical, manufactured by Hersey Measurement Co Div of Miller Industries Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-355-7682 has 2 manufacturer part numbers on file: 51015G012 (Hersey Measurement Co Div of Miller Industries Inc), BDN-710 PIECE 17 (Hersey Measurement Co Div of Miller Industries Inc).
2 possible matches (shared part number, not a government interchangeability claim): 3020-01-363-3757, 3020-01-363-3758. Verify interchangeability with system specifications before substitution.
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.