Small Neo-back Washer, 10 pack

Sold as a 10 pack. Stainless steel on one side, neoprene on the other to seal water out. Also sold as singles and 100 packs.

Commonly used in kayak assembly with 10-32 machine screws. 5/8 in. diameter. Fits a number 10 fastener. (Alternative Part Numbers: 9820137, 1FAS090 and 07.2847.0000) Same hardware part as found in the Ram Hardware Kit part number 9800476. 10-32-HDW