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NAS1301C4-6
Assembled Washer Screw
Description
Assembled Washer Screw
Specifications
| Fastener Length | 0.343 inches minimum and 0.375 inches maximum |
|---|---|
| Hardness Rating | 35.0 rockwell c minimum primary washer and 43.0 rockwell c maximum primary washer |
| Head Diameter | 0.205 inches minimum and 0.219 inches maximum |
| Head Height | 0.078 inches minimum and 0.080 inches maximum |
| Head Style | Pan Head |
| Internal Drive Style | Cross recess type 1 |
| Material | CRES |
| Material Specification | 66 fed std all material responses primary washer, Mil-s-5059 mil spec 1st material response secondary washer or mil-s-5059 mil spec 2nd material response secondary washer or mil-s-5059 mil spec 3rd material response secondary washer or mil-s-5059 mil spec 4th material response secondary washer or mil-s-6721 mil spec 5th material response secondary washer or mil-s-6721 mil spec 6th material response secondary washer or mil-s-6721 mil spec 7th material response secondary washer, Qq-s-763 fed spec 1st material response fastener or mil-s-7720 mil spec 2nd material response fastener or astm a582 assn std 3rd material response fastener |
| Specification Data | 80205-nas1301 professional/industrial association standard |
| Surface Treatment | Passivate primary, Passivate secondary |
| Surface Treatment Specification | Qq-p-35 fed spec single treatment response primary washer |
| Thread Class | 2a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | 0.299 inches minimum |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series Designator | UNC |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS1301C4-4
- NAS1301C4-6
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1301C4-6. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error