Heavy Pressure

Steel noses are case hardened for wear resistance without brittleness.

Bodies are 12L14 steel with a black oxide finish.

The nylon locking element holds the plunger body securely in place without the need for lock nuts or other devices. We recommend a 90 degree countersink 1/32″ larger than the major diameter of the mating thread to prevent damaging the element.

All part numbers that end with a “P” do NOT have a locking element.

To prevent possible spring damage, use of a Northwestern Wrench is recommended when installing from plunger end.

Part #ProjectionNose DiameterBody LengthThread SizesEnd Pressure Start (lbs.)End Pressure Full (lbs.)MaterialsPressuresLocking ElementBuyhf:tax:projectionhf:tax:nose_diameterhf:tax:body_lengthhf:tax:threadhf:tax:end_pressure_lbs_starthf:tax:end_pressure_lbs_fullhf:tax:materialhf:tax:pressurehf:tax:locking_element
33001P
0-0930-075-88-322-77-3steelheavyno
33003P
0-1250-0933-410-322-911-1steelheavyno
33005P
0-1870-11911-4-20313steelheavyno
33005AP
0-1870-11911-4-28313steelheavyno
33007P
0-1870-13515-16-18315steelheavyno
33009P
0-1870-1861-1-83-8-165-514-5steelheavyno
33011P
0-250-2481-1-41-2-136-617-4steelheavyno
33013P
0-3120-311-1-25-8-1110-525-5steelheavyno
33001
0-0930-075-88-322-77-3steelheavyyes
33003
0-1250-0933-410-322-911-1steelheavyyes
33005
0-1870-11911-4-20313steelheavyyes
33005A
0-1870-11911-4-28313steelheavyyes
33007
0-1870-13515-16-18315steelheavyyes
33009
0-1870-1861-1-83-8-165-514-5steelheavyyes
33011
0-250-2481-1-41-2-136-617-4steelheavyyes
33013
0-3120-311-1-25-8-1110-525-5steelheavyyes
33021P
0-0930-075-88-322-77-3steelheavyno
33023P
0-1250-0933-410-322-911-1steelheavyno
33025P
0-1870-11911-4-20313steelheavyno
33025AP
0-1870-11911-4-28313steelheavyno
33027P
0-1870-13515-16-18315steelheavyno
33029P
0-1870-1861-1-83-8-165-514-5steelheavyno
33031P
0-250-2481-1-41-2-136-617-4steelheavyno
33033P
0-50-4992-13-325-8-111668steelheavyno
33021
0-0930-075-88-322-77-3steelheavyyes
33023
0-1250-0933-410-322-911-1steelheavyyes
33025
0-1870-11911-4-20313steelheavyyes
33025A
0-1870-11911-4-28313steelheavyyes
33027
0-1870-13515-16-18315steelheavyyes
33029
0-1870-1861-1-83-8-165-514-5steelheavyyes
33031
0-250-2481-1-41-2-136-617-4steelheavyyes
33033
0-50-4992-13-325-8-111668steelheavyyes
33101P
0-0620-04617-326-321-54-5steelheavyno
33102P
0-0620-0463-86-3211-6steelheavyno
33103P
0-0930-075-88-322-77-3steelheavyno
33105P
0-1250-0933-410-322-911-1steelheavyno
33107P
0-1870-11911-4-20313steelheavyno
33108P
0-1870-11911-4-28313steelheavyno
33109P
0-1250-1193-41-4-2029steelheavyno
33111P
0-1870-13515-16-18315steelheavyno
33113P
0-1870-1861-1-83-8-165-514-5steelheavyno
33115P
0-250-2481-1-41-2-136-617-4steelheavyno
33117P
0-3120-311-1-25-8-1110-525-5steelheavyno
33119P
0-3120-3741-3-43-4-106-737-3steelheavyno
33120P
0-50-4992-13-321-81668steelheavyno
33101
0-0620-04617-326-321-54-5steelheavyyes
33102
0-0620-0463-86-3211-6steelheavyyes
33103
0-0930-075-88-322-77-3steelheavyyes
33105
0-1250-0933-410-322-911-1steelheavyyes
33107
0-1870-11911-4-20313steelheavyyes
33108
0-1870-11911-4-28313steelheavyyes
33109
0-1250-1193-41-4-2029steelheavyyes
33111
0-1870-13515-16-18315steelheavyyes
33113
0-1870-1861-1-83-8-165-514-5steelheavyyes
33115
0-250-2481-1-41-2-136-617-4steelheavyyes
33117
0-3120-311-1-25-8-1110-525-5steelheavyyes
33119
0-3120-3741-3-43-4-106-737-3steelheavyyes
33120
0-50-4992-13-321-81668steelheavyyes