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AN960C4L
Aeronautical Standard Flat 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 | NAS1149CN416R AN960C4L |
|---|---|
| Bolt or Screw Size | #4 |
| Departure From Cited Designator | As modified by finish and outside dia |
| Hole Diameter | Between 0.115 inches and 0.135 inches |
| I.D. (in.) | .125 |
| 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 | 00-584-3782 |
| NSN | 5310-00-584-3782 |
| O.D. (in.) | .312 |
| Overall Diameter | Between 0.257 inches and 0.262 inches |
| Superseding NAS No. | NAS1149CN416R |
| Surface Treatment | Passivate |
| Thickness | .016, Between 0.006 inches and 0.026 inches |
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN960C4L. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error