The Lining,friction, cataloged under National Stock Number 3040-00-333-4393, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-00-333-4393 |
| Primary Part Number | 1H8379 |
| Item Name | Lining,friction |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Strengthening Feature | LAYERED FLAT STEEL BACKING MEMBER |
| Hole Arrangement Style | SINGLE |
| Arc Length | 5.279 INCHES NOMINAL IN |
| Lining Style | SEGMENT PLAIN |
| Features Provided | RIGID FRICTION LINING |
| Surface Condition and Location | ONE SIDE GROUND |
| Application Type | DRY |
| Attachment Method | RIVETED |
| Width | 1.250 INCHES NOMINAL IN |
| Minor Radius | 3.781 INCHES NOMINAL IN |
| Material | ASBESTOS FRICTION LINING |
| Fabrication Method | MOLDED |
| Thickness | 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN |
| Hole Type and Quantity | 4 COUNTERSUNK |
| 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 |
|---|---|
| 1H8379 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 9P696 | Caterpillar Inc Div Caterpillar Defense (USA) |
| 9P0696 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| PC-1057 | Cmbf Products Inc (USA) |
| Reference | Meaning |
|---|---|
| W2060 | 5/9 Secondary reference U.S. Government activity |
| PC-1057 | 5/9 Secondary reference The S K Wellman Corp Dba Wellman Friction Products |
| ABS1400 | 5/9 Secondary reference Abex Corp |
NSN 3040-00-333-4393 is a Lining,friction, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-333-4393 has 4 manufacturer part numbers on file: 1H8379 (Caterpillar Inc Div Caterpillar Defense), 9P696 (Caterpillar Inc Div Caterpillar Defense), 9P0696 (Caterpillar Inc Div Caterpillar Defense), PC-1057 (Cmbf Products Inc).
Key specifications for 1H8379: Strengthening Feature: LAYERED FLAT STEEL BACKING MEMBER; Hole Arrangement Style: SINGLE; Arc Length: 5.279 INCHES NOMINAL IN; Lining Style: SEGMENT PLAIN. 14 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.