Page 510 - RYCO Hydraulics Technical Manual 2019
P. 510

 TECHNICAL
THREAD AND CONNECTOR IDENTIFICATION
SAE THREADS
SAE IS SOCIETY OF AUTOMOTIVE ENGINEERS
These fittings are commonly used in refrigeration, automotive and low pressure applications.
SAE 45° FLARE SAE J512
SAE male has 45° flare which seals against 45° seat in female. Male can also seal against 45° flared tubing with nut and sleeve.
7/16 - 20, 1/2 - 20, 3/4 - 16 & 7/8 - 14 are the same thread form as
JIC 37° flare. Some fittings in these sizes have both JIC 37° & SAE 45° seats.
508
RYCO QUALITY
MALE THREAD OD & PITCH
inch - TPI
5/16 -24 3/8 - 24 7/16 - 20 1/2 - 20 5/8 - 18 3/4 - 16 7/8 - 14 1.1/16 -14
DASH MALE SIZE THREAD OD
FEMALE TUBE THREAD ID SIZE
mm inch inch
6,8 0.27 1/8 8,4 0.33 3/16 9,9 0.39 1/4 11,4 0.44 5/16
14,2 0.56 3/8 17,5 0.69 1/2 20,6 0.81 5/8 24,9 0.98 3/4
SAE J512
FEMALE TUBE THREAD ID SIZE
mm inch inch
9,9 0.39 1/4 11,4 0.45 5/16 14,2 0.56 3/8 16,0 0.63 7/16
SAE 45o INVERTED FLARE
MALE THREAD OD & PITCH
inch - TPI
7/16 - 24 1/2 - 20 5/8 - 18 11/16 - 18
DASH MALE SIZE THREAD OD
SAE PILOT O RING SEALS PILOT MALE SWIVEL
MALE THREAD OD & PITCH
inch - TPI
5/8 - 18 3/4 - 18 7/8 - 18
DASH MALE SIZE THREAD OD
FEMALE
THREAD ID SIZE
mm inch Dash
14,2 0.56 -6 17,8 0.70 -8 20,6 0.81 -10
PILOT FEMALE SWIVEL
MALE THREAD OD & PITCH
inch - TPI
5/8 - 18 3/4 - 16 7/8 - 14
DASH SIZE
-10 -12 -14
MALE THREAD OD
FEMALE
THREAD ID SIZE
mm inch Dash
14,2 0.56 -6 17,5 0.69 -8 20,6 0.81 -10
mm
-05 7,9 -06 9,5 -07 11,1 -08 12,7 -10 15,9 -12 19,1 -14 22,2 -17 27,0
inch
0.31 0.38 0.44 0.50 0.63 0.75 0.88 1.06
mm
-07 11,1 -08 12,7 -10 15,9 -11 17,5
inch
0.44 0.50 0.63 0.69
mm
-10 15,9 -12 19,0 -14 22,2
inch
0.63 0.75 0.88
mm
15,9 19,0 22,2
inch
0.63 0.75 0.88
TUBE
TUBE

































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