5310-01-714-3663 (50456)
NSN 5310-01-714-3663 (NIIN 01-714-3663) 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 50456 (Eka Limited, CAGE U4494); also referenced as ASME B18.21.1-A2 SIZE 5/16IN (American National Standards).
NIIN assigned October 2023; DEMIL A (none required); ESD/EMI-sensitive.