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FORD - WM 921

DIMENSIONAL REQUIREMENTS FOR PORTS

active, Most Current
Organization: FORD
Publication Date: 13 April 2021
Status: active
Page Count: 2
scope:

This specification describes the dimensional requirements for metric ports to be used with stud or plug ends per WM 200, ISO 6149-2, ISO 6149-3, and ISO 6149-4.

The port dimensions in this standard conform to ISO 6149-1 and SAE J2244/1 except:

• Angle tolerance for use with a plug which seats on the angled surface

• Drill depth increased to accommodate modified bottom tap in place of bottom tap

• Identification groove is not permitted

• Addition of M30 size per SAE J2244/1

Document History

WM 921
April 13, 2021
DIMENSIONAL REQUIREMENTS FOR PORTS
This specification describes the dimensional requirements for metric ports to be used with stud or plug ends per WM 200, ISO 6149-2, ISO 6149-3, and ISO 6149-4. The port dimensions in this standard...
FORD WM921
December 8, 2009
DIMENSIONAL REQUIREMENTS FOR METRIC PORT
This specification describes the dimensional requirements for metric ports to be used with stud or plug ends per WM200, ISO 6149-2, ISO 6149-3, and ISO 6149-4. The port dimensions in this standard...

References

This document references:
FORD WM200 - PLUG – PORT, O-RING HEX RECESS CATEGORY 100.090
Published by FORD on March 11, 2010
A description is not available for this item.
This document references:
FORD WM200 - PLUG – PORT, O-RING HEX RECESS CATEGORY 100.090
Published by FORD on March 11, 2010
A description is not available for this item.
This document references:
ISO 261 - ISO General Purpose Metric Screw Threads - General Plan
Published by ISO on December 15, 1998
This International Standard specifies ISO general purpose metric screw threads (M) having basic profile according to ISO 68-1. Basic dimensions are given in ISO 724. For tolerances see ISO 965-1.
This document references:
ISO 4759-1 - Tolerances for Fasteners - Part 1: Bolts, Screws Studs and Nuts - Product Grades A, B and C
Published by ISO on November 15, 2000
This part of ISO 4759 specifies a selection of tolerances for bolts, screws, studs and nuts with ISO metric threads and with product grades A, B and C and for tapping screws with product grade A....
This document references:
6149-1 - Connections for hydraulic fluid power and general use — Ports and stud ends with ISO 261 metric threads and O-ring sealing — Part 1: Ports with truncated housing for O-ring seal
Published by ISO on June 1, 2022
This document specifies dimensions for metric ports for use with the adjustable and non-adjustable stud ends as described in ISO 6149-2 and ISO 6149-3. Ports in accordance with this document can be...
This document references:
ISO 6149-2 - Connections for hydraulic fluid power and general use Ports and stud ends with ISO 261 metric threads and O-ring sealing Part 2: Dimensions, design, test methods and requirements for heavy-duty (S series) stud ends
Published by ISO on February 15, 2006
This part of ISO 6149 specifies dimensions, performance requirements and test procedures for metric adjustable and non-adjustable heavy-duty (S series) stud ends and O-rings. Stud ends in accordance...
This document references:
ISO 6149-3 - Connections for hydraulic fluid power and general use Ports and stud ends with ISO 261 metric threads and O-ring sealing Part 3: Dimensions, design, test methods and requirements for light-duty (L series) stud ends
Published by ISO on February 15, 2006
This part of ISO 6149 specifies dimensions, performance requirements and test procedures for metric adjustable and non-adjustable light-duty (L series) stud ends and O-rings. Stud ends in accordance...
This document references:
ISO 6149-4 - Connections for fluid power and general use - Ports and stud ends with ISO 261 metric threads and O-ring sealing - Part 4: Dimensions, design, test methods and requirements for external hex and internal hex port plugs
Published by ISO on August 1, 2017
This document specifies dimensions and performance requirements for external hex and internal hex port plugs for use with ISO 6149-1 ports. Port plugs in accordance with this document can be used at...
This document is referenced by:
WM 920 - GENERAL SPECIFICATION FOR PORT PLUGS
Published by FORD on April 14, 2021
This specification describes the dimensional and performance requirements of an internally driven oring plug intended for installation into a WM 921, ISO 6149-1, or SAE J2244/1 port. The plugs...
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