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Fittings / Mark VIII® / H854-10-12-M

Tube to Male Pipe Thread Union Assembly

Data sheet
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American Engineering Trusted Wordwide ®

DATA SHEET

H854-10-12-M
11/15/2025 4:45 PM

Product Category H854-10-12-M
Part Description Tube to Male Pipe Thread Union Assembly

Dimensions

A 0.630
B-NPT 3/4" - 14
C-HEX 1.38
D 0.380
E 2.38
G-HEX 1.38

General

Pressure Rating 6000 PSI
Assembly Material Monel®, ASTM B164, UNS N04405
O-Ring Material Viton® Fluorocarbon Type 1, Class 2 (90 durometer)
Connection 1 Type Female Tube Socket
Connection 1 Size 5/8" Tube O.D. (-10)
Connection 2 Type Male Pipe Thread
Connection 2 Size 3/4” NPT (-12)

cpvmfg.com | 484.731.4010

The complete catalog contents must be reviewed to ensure that the system designer and user make a safe product selection. When selecting products, the total system design must be considered to ensure safe, trouble-free performance. Function, material compatibility, adequate ratings, proper installation, operation, and maintenance are the responsibilities of the system designer and user. Caution: Do not mix or interchange valve components with those of other manufacturers.