The Helical Gear and Pi, cataloged under National Stock Number 3020-01-251-9968, 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.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-251-9968 |
| Primary Part Number | 2B1-02088 AND 2B1-02089 |
| Item Name | Helical Gear and Pi |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Lake Shore Systems, 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 |
|---|---|
| 2B1-02088 AND 2B1-02089 PRIMARY | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2B1-2088 AND 2B1-02089 | 5/9 Secondary reference Lake Shore Systems, Inc. |
| 2D3-1014 ITEM 8 | C/1 Advisory reference — outside the item-of-supply concept Lake Shore Systems, Inc. |
| 2B1-2088 | 5/9 Secondary reference Lake Shore Systems, Inc. |
NSN 3020-01-251-9968 is a Helical Gear and Pi, manufactured by Lake Shore Systems, Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-251-9968 has 1 manufacturer part number on file: 2B1-02088 AND 2B1-02089 (Lake Shore Systems, Inc.).
Key specifications for 2B1-02088 AND 2B1-02089: Part Name Assigned by Controlling Agency: SET OF GEARS CONSISTING OF THE HELICAL GEAR AND PINION.; End Item Identification: TOPPING WINCH REDUCTION GEAR ASSEMBLY IN UNDERWAY REPLENISHMENT.. 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.