5310-00-323-1453 (10121301)
NSN 5310-00-323-1453 (NIIN 00-323-1453) is a plate nut spacer in Federal Supply Class 5310, Nuts And Washers — an item having two flat bearing surfaces, conforming to the same shape as the base of a nut (1), plain, plate and nut (1), self-locking, plate. Manufacturer part number 10121301; also referenced as NAS463YD416M (National Aerospace Standards).
NIIN assigned November 1973; DEMIL A (none required); ships at 0.01 lb / 0.001 cu ft.