Small-OD flat washer for machine screws, in steel, stainless or aluminum.
Flat washer with a smaller outside diameter than standard AN washers, for small screws in tight spaces. No letter is cadmium-plated steel, C is stainless, A is 5052 aluminum; standard thickness is .032 in., and an L suffix is the light .016 in. version.
| Where it's used | Under small machine screw heads and nuts where space is limited. |
| Spec status | NAS620 (AIA National Aerospace Standard). |
A sample of what we've quoted and shipped under this spec. If your dash number isn't here, send it anyway. Every order ships with a Certificate of Conformance and lot records.
Need NAS620 parts quoted?Send the part numbers and quantities. We usually quote within two business days.
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