drop forged steel pipe fittings
 
SPECIFICATIONS OF FS FITTINGS IS 1239 -- M.S HEX. NIPPLE
Nominal Size Minimum Length
of Thread for basic guage Length plus
Dia  Clearence		 Thickness of
Hexagon		 Maximum Overall Length Maximum Diameter of
Bore		 Width across Flat
of Hexagon
) (L) (T) (A) (C) (B)
(1) (2) (3) (4) (5) (6)
6 9.5 6 25 5.5 13.1
8 12.5 6 31 6.5 15.5
10 12.5 8 33 9.5 17.9
15 17.5 8 43 12.5 23.0
20 19 10 48 19 27.8
25 21 20 52 25 35.3
32 24 11 59 32 47.2
40 24 13 61 38 52.0
50 27 14 68 51 61.1

 
 
 
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