The Lining,friction, cataloged under National Stock Number 3040-01-278-7538, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-278-7538 |
| Primary Part Number | 6129485 ITEM 8 |
| Item Name | Lining,friction |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Hole Arrangement Style | INDEFINITE |
| Lining Style | SEGMENT PLAIN |
| Attachment Method | RIVETED |
| Width | 1.000 INCHES NOMINAL IN |
| Material | COPPER ALLOY FRICTION LINING |
| Thickness | 0.810 INCHES NOMINAL IN |
| Hole Type and Quantity | 2 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 |
|---|---|
| 6129485 ITEM 8 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| EN DM44540 | D/9 Drawing number reference only U.S. Government activity |
| 87684-1508 PIECE 8 | 3/2 Design control — primary reference U.S. Government activity |
| EN DM44540 ITEM 8 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-01-278-7538 is a Lining,friction, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-278-7538 has 1 manufacturer part number on file: 6129485 ITEM 8 (Naval Sea Systems Command).
Key specifications for 6129485 ITEM 8: Hole Arrangement Style: INDEFINITE; Lining Style: SEGMENT PLAIN; Attachment Method: RIVETED; Width: 1.000 INCHES NOMINAL IN. 7 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.