5310-00-010-5607 (105607)
NSN 5310-00-010-5607 (NIIN 00-010-5607) is a square plain nut in Federal Supply Class 5310, Nuts And Washers — a nut, flat on top and bottom, having 4 flat sides. Manufacturer part number 105607 (General Motors LLC, CAGE 7X677); also referenced as FFB571ATYPEB1, FFN836TYPE1STYLE1GRADEA (Federal Specifications Promulgated).
NIIN assigned January 1963; DEMIL A (none required). Supersedes 5310-00-272-5710 (1963), 5310-00-596-8207 (1963); related NSN 5310-00-982-4939.