Egg shaped; 4-40 female/female
A metallic or nonmetallic item of various peripheral shapes and a solid cross-section. It is designed to maintain a predetermined distance between two surfaces. It may have flat parallel bearing surfaces. Do not use if a more specific name applies. See also spacer, ring; spacer, plate; spacer, sleeve; spacer, stepped; shim and washer, flat.
NSN 4140-01-268-2429
NSN 5945-01-063-6260
NSN 5985-00-212-7690
NSN 6610-01-018-7426
NSN 5998-01-107-9196
NSN 6240-01-644-7623
NSN 5920-01-347-3608
NSN 6610-01-278-9387
NSN 5985-00-630-1613
NSN 5985-00-267-9253
NSN 5905-01-542-2936
NSN 6130-00-088-5375