Used on cover, fairing. 2a thread class right-hand 1.060" thread length square extended washer head style 11 thread quantity per inch bolt, special 0.188 dia countersunk hole located 0.387 inch (min) unc thread series
Used on f-22 raptor. countersunk cylindrical convex head style bolt, special (LK108) washer is bonded to top of bolt per 5PTPKL20 no adhesive overflow; washer o.d. flush with bolt to .005 overhang; consists of bolt LK108-4-7
Used on f-22 raptor. S3a thread class right-hand 0.418" thread length flat fillister head style S32 thread quantity per inch bolt, special (5PTV4205) washer bonded to bolt per 5PTPKL20; washer p/n is 5PTC1020R9 unjf thread series
Used on f-22 raptor. S3a thread class right-hand 0.472" thread length flat fillister head style S28 thread quantity per inch bolt, special (5PTV4205) washer bonded to bolt per 5PTPKL20; washer p/n is 5PTC1020R13 unjf thread series
Used on f-22 raptor. S3a thread class right-hand 0.472" thread length flat fillister head style S28 thread quantity per inch bolt, special (5PTV4206 washer bonded to bolt per 5PTPKL20; washer p/n is 5PTC1020R20; shank diameter 0.2490 min 0.2495 max; 32 microinch finish on shank diameter & threads all other 125 microinches; procuremement spec NAS4004 unjf thread series