The Lining,friction, cataloged under National Stock Number 3950-00-933-1027, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3950-00-933-1027 |
| Primary Part Number | 2B1-02415 |
| Item Name | Lining,friction |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Strengthening Feature | INTERNALLY MOLDED-IN REINFORCEMENT |
| Hole Arrangement Style | DOUBLE EVEN |
| Arc Length | 11.290 INCHES NOMINAL IN |
| Supplementary Features | THIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCE, 34712, HAS INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984 |
| Lining Style | SEGMENT PLAIN |
| Features Provided | RIGID FRICTION LINING |
| Application Type | DRY |
| Attachment Method | RIVETED |
| Width | 3.500 INCHES NOMINAL IN |
| Minor Radius | 7.000 INCHES NOMINAL IN |
| Fabrication Method | MOLDED |
| Thickness | 0.188 INCHES NOMINAL IN |
| Hole Type and Quantity | 8 COUNTERBORED |
| 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 |
|---|---|
| 2B1-02415 PRIMARY | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1103632 | 5/9 Secondary reference Lake Shore Systems, Inc. |
| 311604-1 | C/1 Advisory reference — outside the item-of-supply concept Lake Shore Systems, Inc. |
NSN 3950-00-933-1027 is a Lining,friction, manufactured by Lake Shore Systems, Inc., classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-00-933-1027 has 1 manufacturer part number on file: 2B1-02415 (Lake Shore Systems, Inc.).
Key specifications for 2B1-02415: Strengthening Feature: INTERNALLY MOLDED-IN REINFORCEMENT; Hole Arrangement Style: DOUBLE EVEN; Arc Length: 11.290 INCHES NOMINAL IN; Supplementary Features: THIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCE, 34712, HAS INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984. 13 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.