First hole 0.5000-20 unjf-3b; four holes 0.104 in dia.
An item specifically designed to fit over the opening(s) of various items to provide mechanical protection and/or to prevent the entrance of foreign matter during painting, shipping, storage, or the like. It is not designed to retain fluids under pressure during equipment operation. Excludes cover, electrical connector; hood, sealing, bottle; and stopper, bottle. For items designed to fit into or over the opening(s) of various items, see cap-plug, protective, dust and moisture seal.
Classification: Gaskets,washers & other seals
NSN 5996-00-661-1151
NSN 5990-01-432-0523
NSN 5915-01-271-8504
NSN 6110-01-432-7697
NSN 5895-01-439-4785
NSN 6220-00-922-8241
NSN 5996-01-303-6882
NSN 6610-01-615-8260
NSN 5945-00-904-3729
NSN 4140-00-226-9807
NSN 5975-01-349-9158
NSN 5895-01-359-4279