TM 5-3895-379-23-2
0284
GENERAL TORQUE VALUES - Continued
O-Ring Face Seal Fittings With Metric Hex Nut and Stud End For High-Pressure Service
Recommendations - Continued
Table 19. O-Ring Straight, Adjustable, and External Hex Plug with Metric Stud End for High-Pressure
Straight Hex Size b
Adjustable Nut Hex Size
Steel or Gray Iron
Thread Size a (mm)
(mm)
Torque lb-ft (Nm)
(mm)
M38 x 2
46
46
236 (320)
M42 x 2
50
50
266 (360)
M48 x 2
55
55
310 (420)
a
Stud end threads are identified as metric by an identification groove in the hex nut next to the O-ring.
b
Straight hex size applies to fittings only and may not be the same as the corresponding plug of the same
thread size.
O-Ring straight, adjustable, and external hex plug with metric stud end for high-pressure, above 4,000 psi
(27,600 kPa) (275.8 bar), torque values. Tolerance is +15 -20%, unless otherwise specified.
0284-28
03/15/2011Rel(1.8)root(torquewp)wpno(M00222)