The Lining,friction, cataloged under National Stock Number 3950-00-477-2019, 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 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3950-00-477-2019 |
| Primary Part Number | 121544-3 |
| Item Name | Lining,friction |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Strengthening Feature | INTERWOVEN WIRE |
| Arc Length | 39.500 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-250/11, ALLOY 6061 FED SPEC SINGLE MATERIAL RESPONSE FRICTION LINING |
| Lining Style | SEGMENT PLAIN |
| Features Provided | RIGID FRICTION LINING |
| Surface Condition and Location | BOTH SIDES GROUND |
| Application Type | DRY |
| Width | 6.000 INCHES NOMINAL IN |
| Minor Radius | 11.000 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 FRICTION LINING |
| Fabrication Method | COMPRESSED |
| Thickness | 0.375 INCHES NOMINAL IN |
| 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 |
|---|---|
| 121544-3 PRIMARY | Lake Shore Systems, Inc. (USA) |
NSN 3950-00-477-2019 is a Lining,friction, manufactured by Lake Shore Systems, Inc., classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-00-477-2019 has 1 manufacturer part number on file: 121544-3 (Lake Shore Systems, Inc.).
Key specifications for 121544-3: Strengthening Feature: INTERWOVEN WIRE; Arc Length: 39.500 INCHES NOMINAL IN; Material Document and Classification: QQ-A-250/11, ALLOY 6061 FED SPEC SINGLE MATERIAL RESPONSE FRICTION LINING; Lining Style: SEGMENT PLAIN. 12 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.