22 documents in this book for reference only, not intended for design. not guaranteed for accuracy . genuine aircraft hardware co. all original t ext, t ables and drawings are copyright ?by genuine aircraft hardware co. 2005 help with the selection of p art numbers the four numbers after as?enote ?ie?or?oure? threads then to designate material add a ( - ) for alloy steel 180ksi, or a ( c ) for corrosion resistant steel (18-8) 80ksi, or an ( n ) 140-160ksi for heat resisting steel per ams5731 or 5737 (a286). after the ( - , c, or n ) for material, place the diameter designation for your desired shank diameter that corresponds with your desired thread size . after all that but before the length add features if desired. after features (if any) then the overall length is stated in 1/16ths of an inch. the last designation is for plating or finish . p = cadmium ii plating type 2, class 2, all materials s = silver flashed for ( c ) and ( n ) materials. no suffix = black oxide for (alloy steel) and passivated for ( c ) and ( n ) materials example of part number: nas1351-4h14 socket head cap screw , 1/4-28 threads, alloy steel, holes in head , 7/8overall length, black oxide coated. features for rotational security . ( h ) for drilled head, or ( le ) for self locking element any type ( ll ) for self locking element strip t ype ( ln ) for self locking element pellet t ype ( lb ) for self locking element patch t ype lengths may be requested that are less than hread length min?they will just be fully threaded socket head cap screws nas1351 (fine) and NAS1352(coarse) .com .com .com .com 4 .com u datasheet
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