NAS1301C6-6

2a

Right-hand

0.263 inches minimum

0.313 inches minimum and 0.375 inches maximum

Pan

0.256 inches minimum and 0.270 inches maximum

0.087 inches minimum and 0.097 inches maximum

2

Cross recess type 1

0.138 inches

32

35.0 rockwell c minimum primary washer and 43.0 rockwell c maximum primary washer

Not identical

Flat

0.250 inches maximum

0.253 inches minimum and 0.263 inches maximum

Split helical ring

0.031 inches minimum

0.013 inches minimum and 0.019 inches maximum

Steel comp 301 primary washer or steel comp 302 primary washer or steel comp 302b primary washer or steel comp 303 primary washer or steel comp 303se primary washer or steel comp 304 primary washer or steel comp 304l primary washer or steel comp 305 primary washer or steel comp 308 primary washer or steel comp 309 primary washer or steel comp 309s primary washer or steel comp 310 primary washer or steel comp 310s primary washer or steel comp 314 primary washer or steel comp 316 primary washer or steel comp 316l primary washer or steel comp 317 primary washer or steel comp 321 primary washer or steel comp 347 primary washer or steel comp 348 primary washer or steel comp 384 primary washer or steel comp 385 primary washer

Steel comp 301 secondary washer or steel comp 302 secondary washer or steel comp 304 secondary washer or steel comp 316 secondary washer or steel comp 321 secondary washer or steel comp 347 secondary washer or steel comp 348 secondary washer

Steel comp 430 fastener or steel comp 302 fastener or steel comp 303se fastener

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

Passivate fastener

Passivate primary washer

Passivate secondary washer

Qq-p-35 fed spec single treatment response primary washer

Unc

80205-nas1301 professional/industrial association standard