The Lining,friction, cataloged under National Stock Number 3950-00-319-1499, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 3950-00-319-1499 |
| Item Name | Lining,friction |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Status | ACTIVE |
| Circular Pattern Hole Type and Quantity | 26 COUNTERBORED INNER SECURING CIRCLE |
| Circular Pattern Hole Type and Quantity | 30 COUNTERBORED OUTER SECURING CIRCLE |
| Strengthening Feature | INTERWOVEN WIRE |
| Hole Arrangement Style | STRAIGHT |
| Arc Length | 33.562 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.203 INCHES NOMINAL IN |
| Lining Style | SEGMENT PLAIN |
| Features Provided | RIGID FRICTION LINING |
| Surface Condition and Location | ONE SIDE GROUND |
| Mounting Hole Circle Diameter | 16.750 INCHES NOMINAL IN |
| Application Type | DRY |
| Attachment Method | RIVETED |
| Width | 3.000 INCHES NOMINAL IN |
| Minor Radius | 12.812 INCHES NOMINAL IN |
| Fabrication Method | WOVEN |
| Thickness | 0.312 INCHES NOMINAL IN |
| Hole Type and Quantity | 26 THRU-HOLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| A221723-4 | 5/9 Secondary reference U.S. Government activity |
| F221723-4 | 3/9 Design control — primary reference U.S. Government activity |
| 221723-4 | 5/9 Secondary reference U.S. Government activity |
NSN 3950-00-319-1499 is a Lining,friction, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5320-01-266-5052. Verify interchangeability with system specifications before substitution.
Key specifications for 3950-00-319-1499: Circular Pattern Hole Type and Quantity: 26 COUNTERBORED INNER SECURING CIRCLE; Circular Pattern Hole Type and Quantity: 30 COUNTERBORED OUTER SECURING CIRCLE; Strengthening Feature: INTERWOVEN WIRE; Hole Arrangement Style: STRAIGHT. 17 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.