The Lining,friction, cataloged under National Stock Number 3040-01-178-8846, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is TB Woods's Corporation. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-178-8846 |
| Primary Part Number | YDF4-5501 |
| Item Name | Lining,friction |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | TB Woods's Corporation |
| Status | ACTIVE |
| Lining Style | CLUTCH DISK |
| Application Type | DRY |
| Attachment Method | BONDED |
| Minor Diameter | 4.250 INCHES NOMINAL IN |
| Material | ASBESTOS FRICTION LINING |
| Fabrication Method | MOLDED |
| Major Diameter | 5.500 INCHES NOMINAL IN |
| Thickness | 0.125 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| YDF4-5501 PRIMARY | TB Woods's Corporation (USA) |
| Reference | Meaning |
|---|---|
| 2055-1300 | 3/9 Design control — primary reference U.S. Government activity |
| C355 PIECE 13 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-01-178-8846 is a Lining,friction, manufactured by TB Woods's Corporation, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-178-8846 has 1 manufacturer part number on file: YDF4-5501 (TB Woods's Corporation).
Key specifications for YDF4-5501: Lining Style: CLUTCH DISK; Application Type: DRY; Attachment Method: BONDED; Minor Diameter: 4.250 INCHES NOMINAL IN. 8 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.
NSN 3040-01-178-8846 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.