Relief
Fittings
are
most
commonly
used
on
bearings
(universal
joints,
king
pins,
etc.)
and
gearbox
housings.
Fittings
open
at
pre-determined
pressures.
Most
common
are
1/4-1
PSI
and
1-5
PSI.
Zinc
Dichromate
Plated
Equivalents
GF&D
Part
Numbers
Premium
#
Standard
#
House
#
Description
Alemite
Umeta
Lincoln
3174
NA
NA
1/8
PTF
1/4-1
PSI
3174
-
-
47200
NA
NA
1/8
PTF
1-5
PSI
47200
-
5677
47640
NA
NA
1/8
PTF
7.5-15
PSI
47640
-
5678
323060
NA
NA
1/8
PTF
15-25
PSI
323060
-
5679
47100
NA
NA
1/8
PTF
45-80
PSI
47100
-
5680
50500
NA
NA
1/8
PTF
400-650
PSI
50500
-
-
Additional
sizes
available.
Please
contact
customer
service
for
additional
information.