washers › flat washers
AN960C516
Stainless Steel Washer
Description
AN960 flat washers are used under hex nuts to provide a smooth bearing surface, as shims to obtain the correct grip length for a bolt and nut assembly, and to adjust the position of AN310 and AN320 castle nuts with respect to drilled cotter pin holes in bolts and clevis pins. Available in regular and light thickness. Light Series Washers: Add the letter "L" to dash number to indicate light series. AN960C-416L is a light series cadmium plated stainless steel washer for 1/4" dia. bolt. Light series washers must be manually input on order form. Less 20% for quantity 100/Part No
Specifications
| Alternate Part Number | NAS1149C0563R AN960C516 |
|---|---|
| Bolt or Screw Size | 5/16 |
| Hole Diameter | Between 0.318 inches and 0.338 inches |
| I.D. (in.) | .328 |
| Material | CRES |
| Material Specification | Mil-s-5059 military specification 1st material response and mil-s-6721 military specification 2nd material response and mil-s-6721 military specification 3rd material response and mil-s-6721 military specification 4th material response |
| NIIN | 00-167-0803 |
| NSN | 5310-00-167-0803 |
| O.D. (in.) | .562 |
| Overall Diameter | Between 0.557 inches and 0.582 inches |
| Pre-Packaged Bag Quantity | 100 |
| Superseding NAS No. | NAS1149CO563R |
| Thickness | .063, Between 0.053 inches and 0.073 inches |
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- NAS1149C0563R NAS 5/16 · 0.582 in · CRES
- NAS1149F0563P NAS 5/16 · 0.582 in · Steel
- AN960-516 AN 5/16 · 0.582 in · Steel
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Catalog data updated 2026-07-05. Report a data error