Page 511 - 2019 PRODUCT TECHNICAL MANUAL - HYDRAULICS V4-8

THREAD AND CONNECTOR IDENTIFICATION
ORFS THREADS SAE J1453, ISO 8434-3
ORFS IS O RING FACE SEAL
ORFS system consists of ORFS Male with
O Ring in Face, which seals against
Flat Seated ORFS Female Swivel Nut fitting.
The Swivel Nut can be slipped back to help installation in tight situations.
The prominent position of the O Ring on the Male fitting makes it easy to inspect the condition of the O Ring.
MALE THREAD OD & PITCH
DASH SIZE
MALE THREAD OD
FEMALE THREAD ID
TUBE SIZE
inch - TPI
11/16 - 16 UN 1 - 14 UNS 1.7/16 - 12 UN 2 - 12 UN
mm inch mm inch
-11 17,3 0.68 16,0 0.63 -16 25,4 1.00 23,6 0.73 -23 36,3 1.43 34,3 1.35 -32 51,8 2.00 48,8 1.92
inch
3/8 5/8 1 1.1/2
9/16 - 18 UNF
-09
14,3
0.56
12,9
0.51
1/4
13/16 - 16 UN
-13
20,6
0.81
19,1
0.75
1/2
1.3/16 - 12 UN
-19
30,0
1.18
28,2
1.11
3/4
1.11/16 - 12 UN
-27
42,7
1.68
40,6,
1.60
1.1/4
CONNECTING PARTNERSHIPS
509
TECHNICAL ADAPTORS COUPLINGS HOSE INTRODUCTION