See the below web page to view or download the Service Manual for the 6270A Pressure Calibrator. It also includes information on the Contamination Prevention System (CPS-20M) and the Pressure Measurement Module Calibration Kit (PMM-CAL-KIT-20M). At the back of the manual are drawings with part number call-outs.
*** Known changes to above Service Manual document:
- PMM O-ring 1785510 has been changed to 4621608 (same o-ring as PCM)
Here is information on a User Seal Kit for 6270A
Part Number: 4584797
Description: 6270-SK-USER,6270 SEALS, USERS KIT
It includes 10 black o-rings for PCM and PMM, and 12 white/clear o-rings for PCM and PMM. These are also available separately.
Part Number, Description
1785485, 759270-501,O RING -008 70 DUROM 0.176 ID .070 W BUNA Y
4621608, O-RING,AS568A-006,.114 IN. ID,.254 IN. OD,.070 IN. W,POLYURETHANE,A90 DURO
Sample page from Service Manual