2530-00-734-2191 (2183643)
NSN 2530-00-734-2191 (NIIN 00-734-2191) is a friction lining in Federal Supply Class 2530, Vehicular Brake, Steering, Axle, Wheel, And Track Components — an item designed to be attached to a segment or a complete lining. Manufacturer part number 2183643 (General Motors LLC, CAGE 7X677); also referenced as PB644D (Cmbf Products Inc); 644D (Friction Materials Standards).
Key specs: flexible friction lining; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); export Schedule B 8483.90.5000. Supersedes 2530-00-374-9492 (1974); related NSN 2530-00-289-7264.