BSA 1958-59 A Group Twins Parts Book

STANDARD BOLTS. All Bolts are e .E.I. unless otherwise stated. I \7 Lengt h Thickness Length Part·No. under Head of Head of Thr ead Across Flats Diameter 2- 14 1.1 /32" . . 3/16" 13/16" . . .440" Hex . . . 1/4" 2-20 4 1/2" 3/16" 1/2" . . .440'' Hex. 1/4" 2- 220 3/8" . . 3/16" . . 3/8" .440" Hex . 1/4" 2-13 54 ,641H .187# .. .641" .440" Hex. 1/4" 2- 1402 7/8" . . 1/8" . . 3/8" . . .440" Hex . 1/4" 2- 2273 . 7/16" 5/32" . . 3/8" .440" Hex. 1/4" 24- 225 . .750" .187" 3/8" . . .440" Hex. 1/4" 1- 5069 •• •625" . . .187# .625" . . .525" Hex. . . 5/16" 2- 129 .750" .250" .625" . .440" Hex. 5/16" 2- 1934 .. .750" . . .156" ,625H .440 11 Hex . 5/16" 2- 6026 1.187" .. .156" ,625H · .440" Hex. . . 5/16" · 15-4 80 1.109" .250" .781" .525 11 Hex . . 5/16" 15- 1355 1.500" .218" .625" .525" Hex. 5/16" 15- 7354 .625" .156" .625" .440" Hex. . . 5/16" 27- 6311 .750'' .125" .625" .440" Hex. . 5/16" 28-2 338 .718" .218" . . .687" .525" Hex . 5/16" 24- 649 .877" .187" .877" . . .594 11 Hex. . . 3/8" 65-4 185• 2.687" .250" • • .750" . . .504" Hex . . 3/8" All Bolts are e.E.I. (Screwdriver slotted) unless otherwise stated. Length Thickness Length Part No. under Head of Head of Thread AcrossHead Diameter 1-4606 • • .500" . .125º .500" .312" . . 3/16" 2- 360 .. .406" .078" .406" .312" 3/16º 2-498 .. .312" .062" .312" .312" • • 3/16" Whit. ~:~ 2- 1309 .343" .. .062" .343" .312 11 3/16" 2- 2582 .343" .125" .343" .250" 3/16 11 Whit. •• : 24-7 065 .250" .062" .250" . . .312 11 3/16" 2-7i '· .312" .062" . . .312" . . .375" .. 1/4" 2- 79 .500" .109" .500" .375" . 1/4" 2- 510 .656" .093" . .375" . . .375" l /4" 2- 1500 .687" .109" .375" . . .375" . 1/4" 2- 2210 .718" .062" . . .652" . .. .562" 1/4" 2-2378 . . .656" . · .109 8 .656" • • .375" 1/4" 15- 7161 .. .500" .125" .312" .500" 1/4" 2-298 0 1.25" .93~ .625" .. .562" 5/16" STANDARD NUTS. All nuts are e.E.I. unless otherwise stated. Part No. Across Flats Thickness Size Part No. Across Flats Thickness Size 1-4 616 .340" Hex. .162" 3/16" 2- 1813 .594" Hex . .218" 3/8" 2- 47 . .312" Hex. .140" . . 3/16" 3- 720 .594" Hex . .187" 3/8" 2- 1598 .255" H ex. .110" 3/16" 24- 5161 .594" Hex . .343" 3/8" ·15-8147 .340" Hex. .125" . . 3/16" 24- 5764 .782 8 Hex. .. .312" 3/8" 25-7 151 .340" Hex. . .187" 3/16" 2-440 .594" Hex. .312" 7/16" 1-6032 .. •340" Hex. 3/16" 1/4 11 2- 933 . .525 11 Hex . .375" 7/16" 2- 51 .440" Hex. .250" 1/4" 2-1925 .782" Hex. . .375º 7/16" 2- 53 .440" Hex .. .109" . 1/4" Whit.. 15-152 .592" Hex. ,406H 1/16º 2-443 .440" H ex. . 109" . . 1/4" Î 5- 541 . . .782" Hex. .. .281" 7/16" .2- 1027 .340" Hex. 1/8~ 1/4" 84-5860 . . ,594u Hex. .. .187" 7/16º 2- 2395 .440" Hex. .187" 1/4º 25-4325 . . .919" Hex . .. .540" 7/16" 2-4 9 . .525" Hex. .218" 5/16" 2- 52 .919" Hex . . . .406" 1/2" 2- 883 .440" Hex. .343" . . 5/16" 2--124 .782" Hex. . . .203" . 1/2" 2- 1616 .440" Hex. .125" . . 5/16" .2 .f.:..1000 •• .782" H ex . .250" 1/2º 15- 5196 .525" Hex. . . .281º . . 5/16" i 7- 6716 .782" Hex. .. .187° 1/2" 15- 6524 . . •525" Hex. . . .175" . . 5/16" 2- 835 . . .919" Hex . • • .375" . 9/16" 24- 563 . . .440" Hex. . . •187º . . 5/16" 15- 1455 . . .782" Hex . . . .218" •• 9/16" I 24- 6040 . . .525" Hex. . . •156" .. 5/16" 24-4255 .919" Hex. .. .187" 9/16" (~:J 1-170 6 .594" Hex. .250'' . 3/8" 28--:53 .782" Hex. .344" . . 9/16" 2-4 6 • • .594" Hex. . •312" 3/8" 51 ....