Page 505 - RHAU-MKT RYCO Product Technical Manual 2018-12-14 v1-9
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 THREAD AND CONNECTOR IDENTIFICATION
JIC 37° FLARE & UNO (O RING BOSS) THREADS
JIC IS JOINT INDUSTRIES COUNCIL SAE J514, ISO 8434-2 UN IS UNIFIED NATIONAL SAE J1926, ISO 11926-2
JIC & UNO (O RING BOSS) THREAD FORMS ARE THE SAME (ASME B1.1). METHOD OF SEALING DIFFERS.
TECHNICAL ADAPTORS COUPLINGS HOSE INTRODUCTION
JIC male has 37° flare which seals against 37° seat in female.
JIC male can also seal against 37° flared tubing with JIC nut and sleeve.
JIC male can also be used with RYCO S134 J-Lok Female Nut and Flareless Olive on Imperial OD tubing.
UNO (O Ring Boss) seals with O Ring compressed between hex boss of UN male and 12°/15° tapered bore of UN (O Ring Boss) female port. For elbows and tees, Back up Washer and Lock Nut allow orientation of fitting to required direction.
JIC & UNO THREAD DIMENSIONS
MALE THREAD OD & PITCH
inch - TPI
5/16 - 24 UNF 3/8 - 24 UNF 7/16 - 20 UNF 1/2 - 20 UNF 9/16 - 18 UNF 3/4 - 16 UNF 7/8 - 14 UNF 1.1/16 - 12 UN 1.3/16 - 12 UN 1.5/16 - 12 UN 1.5/8 - 12 UN 1.7/8 - 12 UN 2.1/2 - 12 UN
DASH MALE SIZE THREAD OD
mm
-05 7,9 -06 9,5 -07 11,1 -08 12,7 -09 14,3 -12 19,1 -14 22,2 -17 27,0 -19 30,2 -21 33,3 -26 41,3 -30 47,6 -40 63,5
FEMALE THREAD ID
Thread size is actual SIZE measurement of male
inch
0.31 0.38 0.44 0.50 0.56 0.75 0.88 1.06 1.19 1.31 1.63 1.88 2.50
mm
6,9 8,5 9,9 11,4 13,0 17,5 20,3 24,9 28,2 31,2 39,1 45,5 61,5
inch inch
0.27 1/8 0.33 3/16 0.39 1/4 0.45 5/16 0.51 3/8 0.69 1/2 0.80 5/8 0.98 3/4 1.11 7/8 1.23 1 1.54 1.1/4 1.79 1.1/2 2.42 2
thread and pitch is Threads Per Inch (TPI).
HIGHER TECHCNOONLNOEGCYTEINQUGAPLASRGTNREARTSEHRIPPSERFORMANCE 503
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