The Lining,friction, cataloged under National Stock Number 2530-00-477-3342, 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 Control Flow, Inc. Dba Control Flow Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-00-477-3342 |
| Primary Part Number | C112-173 |
| Item Name | Lining,friction |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Control Flow, Inc. Dba Control Flow Inc |
| Status | ACTIVE |
| Hole Arrangement Style | STRAIGHT |
| Mounting Hole Diameter | 0.156 INCHES NOMINAL IN |
| Lining Style | CLUTCH DISK |
| Features Provided | RIGID FRICTION LINING |
| Mounting Hole Circle Diameter | 4.750 INCHES NOMINAL IN |
| Application Type | DRY |
| Attachment Method | RIVETED |
| Minor Diameter | 4.000 INCHES MINIMUM AND 4.031 INCHES MAXIMUM IN |
| Major Diameter | 5.469 INCHES MINIMUM AND 5.500 INCHES MAXIMUM IN |
| Thickness | 0.188 INCHES NOMINAL IN |
| Hole Type and Quantity | 12 COUNTERBORED |
| 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 |
|---|---|
| C112-173 PRIMARY | Control Flow, Inc. Dba Control Flow Inc (USA) |
| Reference | Meaning |
|---|---|
| C112-173 | 5/9 Secondary reference Control Flow, Inc. Dba Westech Heavy Machinery Division Div Westech Heavy Machinery Division |
NSN 2530-00-477-3342 is a Lining,friction, manufactured by Control Flow, Inc. Dba Control Flow Inc, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-00-477-3342 has 1 manufacturer part number on file: C112-173 (Control Flow, Inc. Dba Control Flow Inc).
Key specifications for C112-173: Hole Arrangement Style: STRAIGHT; Mounting Hole Diameter: 0.156 INCHES NOMINAL IN; Lining Style: CLUTCH DISK; Features Provided: RIGID FRICTION LINING. 11 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.