2520-00-311-6688 (380241002)
NSN 2520-00-311-6688 (NIIN 00-311-6688) is a vehicular universal joint spider in Federal Supply Class 2520, Vehicular Power Transmission Components — a spider having four radiating arms, with bearing surface on each arm to which the opposite yokes of a universal joint are connected. Manufacturer part number 380241002 (Kaitlin Corp, CAGE 63734); also referenced as 6Y1721 (Kenworth Truck Co); 3DS1 (Mack Trucks IncParts Opn); 16B7379 (Napco International LLC); BB1791 (Diamond Reo Truck Co).
NIIN assigned January 1963; DEMIL B (USML, demil required); export Schedule B 8483.90.9500. Supersedes 2520-00-319-1380 (1963).