The Lining,friction, cataloged under National Stock Number 3040-00-630-4161, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Meritor Heavy Vehicle Systems, Llc. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-00-630-4161 |
| Primary Part Number | 9640131 |
| Item Name | Lining,friction |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Meritor Heavy Vehicle Systems, Llc |
| Status | ACTIVE |
| Circular Pattern Hole Type and Quantity | 4 THRU-HOLE SINGLE SECURING CIRCLE |
| Strengthening Feature | INTERNALLY MOLDED-IN REINFORCEMENT |
| Hole Arrangement Style | STRAIGHT |
| Supplementary Features | THIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCES 57057 HAVE INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984 |
| Mounting Hole Diameter | 0.151 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN |
| Lining Style | CLUTCH DISK |
| Features Provided | RIGID FRICTION LINING |
| Surface Condition and Location | ONE SIDE GROUND |
| Mounting Hole Circle Diameter | 1.200 INCHES MINIMUM AND 1.240 INCHES MAXIMUM IN |
| Application Type | DRY |
| Attachment Method | BOLTED |
| Minor Diameter | 0.357 INCHES NOMINAL IN |
| Material | ASBESTOS FRICTION LINING |
| Fabrication Method | MOLDED |
| Major Diameter | 2.113 INCHES MINIMUM AND 2.123 INCHES MAXIMUM IN |
| Thickness | 0.373 INCHES MINIMUM AND 0.377 INCHES MAXIMUM 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 |
|---|---|
| 1775781 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 9640131 PRIMARY | Meritor Heavy Vehicle Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 9420451 | 5/9 Secondary reference Goodyear Tire and Rubber Co the |
| 9420451 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems |
NSN 3040-00-630-4161 is a Lining,friction, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-630-4161 has 2 manufacturer part numbers on file: 1775781 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 9640131 (Meritor Heavy Vehicle Systems, Llc).
Key specifications for 9640131: Circular Pattern Hole Type and Quantity: 4 THRU-HOLE SINGLE SECURING CIRCLE; Strengthening Feature: INTERNALLY MOLDED-IN REINFORCEMENT; Hole Arrangement Style: STRAIGHT; Supplementary Features: THIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCES 57057 HAVE INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984. 16 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.