The Roller,linear-Rotary Motion, cataloged under National Stock Number 3120-01-331-7180, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Roller,linear-Rotary Motion |
| FSC / FSG | 3120 — Bearings, Plain, Unmounted (FSG 31) |
| Manufacturers | Lake Shore Systems, Inc. (CAGE 34712) |
| Parameter | Value |
|---|---|
| NSN | 3120-01-331-7180 |
| Primary Part Number | 5D3-02306 ITEM 3 |
| Item Name | Roller,linear-Rotary Motion |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| 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) |
| Part Number | Manufacturer |
|---|---|
| 5D3-02306 ITEM 3 PRIMARY | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5D3-03073 P C 3 | 5/9 Secondary reference Lake Shore Systems, Inc. |
| 6119928 | D/9 Drawing number reference only Naval Sea Systems Command |
| 521-6119928 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 3120-01-331-7180 is a Roller,linear-Rotary Motion, manufactured by Lake Shore Systems, Inc., classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-331-7180 has 1 manufacturer part number on file: 5D3-02306 ITEM 3 (Lake Shore Systems, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-440-5447. 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.