5310-01-536-9518 (12)
NSN 5310-01-536-9518 (NIIN 01-536-9518) is a flat washer in Federal Supply Class 5310, Nuts And Washers — a washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. Manufacturer part number 12; also referenced as 12 36001 (Brunswick Corp).
NIIN assigned January 2006; DEMIL A (none required); ESD/EMI-sensitive; unit of issue EA (each), $1.00 gov standard price.