The Lining,friction, cataloged under National Stock Number 2530-01-306-2994, is classified within Federal Supply Class 2530 (Vehicular Brake, Steering, Axle, Wheel, and Track Components) of the Vehicular Equipment Components group. The manufacturer of record is Abex Corp Friction Products Div. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2530-01-306-2994 |
| Primary Part Number | 693-551D |
| Item Name | Lining,friction |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Abex Corp Friction Products Div |
| Status | ACTIVE |
| Hole Arrangement Style | DOUBLE EVEN |
| Mounting Hole Diameter | 0.406 INCHES NOMINAL IN |
| Lining Style | SEGMENT PLAIN |
| Application Type | DRY |
| Attachment Method | BOLTED |
| Width | 7.500 INCHES NOMINAL IN |
| Material | ASBESTOS FRICTION LINING |
| Fabrication Method | COMPRESSED |
| Thickness | 7.000 INCHES NOMINAL IN |
| Hole Type and Quantity | 4 COUNTERSUNK |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 693-551D | Abex Corp Friction Products Div (USA) |
| Reference | Meaning |
|---|---|
| M12WL100 | D/9 Drawing number reference only Dana Corp Spicer Trailer Axle Plant |
| M12WL100-3 | 3/9 Design control — primary reference Dana Corp Spicer Trailer Axle Plant |
NSN 2530-01-306-2994 is a Lining,friction, manufactured by Abex Corp Friction Products Div, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-306-2994 has 1 manufacturer part number on file: 693-551D (Abex Corp Friction Products Div).
Key specifications for 693-551D: Hole Arrangement Style: DOUBLE EVEN; Mounting Hole Diameter: 0.406 INCHES NOMINAL IN; Lining Style: SEGMENT PLAIN; Application Type: DRY. 10 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.