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AN525-416R16
Washer Head Screw
Description
Washer Head Machine Screw
Specifications
| Country of Origin | USA |
|---|---|
| Extended Washer Diameter | 0.500 |
| Extended Washer Thickness | 0.028 inches minimum and 0.033 inches maximum |
| Fastener Length | 0.969 inches minimum and 1.031 inches maximum |
| Grip | 19/32 in |
| Grip in. | 19/32 |
| Head Diameter | 0.437 |
| Head Height | 0.101 |
| Head Style | Round extended washer |
| Head Type | Washer |
| Industry Standards/Certification | AN525 |
| Internal Drive Style | Cross recess type 1 |
| Length | 0 63/64, 1 in |
| Length in. | 1 |
| Material | Steel |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| NIIN | 00-637-6395 |
| NSN | 5305-00-637-6395 |
| Screw Material | Steel comp 2330 |
| Screw Surface Treatment | Cadmium and zinc |
| Screw Surface Treatment Specification | An-p-61 /canceled/ fed spec 1st treatment response or an-p-32 /canceled/ fed spec 2nd treatment response |
| Sold In | Per Package |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.335 inches minimum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNF |
| Thread Size | 1/4-28 |
| Weight | 0.02 lb |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN525-416R16. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error