INCH-POUND
MIL-DTL-22050E (SH)
30 November 2004
SUPERSEDING
MIL-G-22050D (SH)
7 May 1993
DETAIL SPECIFICATION
GASKET AND PACKING MATERIAL, RUBBER, FOR USE WITH
POLAR FLUIDS, STEAM, AND AIR AT MODERATELY HIGH TEMPERATURES
This specification is approved for use by the Naval Sea Systems Command, Department of the Navy, and is
available for use by all Departments and Agencies of the Department of Defense.
1. SCOPE
1.l Scope. This specification covers rubber gaskets, packing, seals, strips, molded forms, and sheet
material for use in hot air, hot water, steam, and various polar fluids such as aqueous monoethanolamine (MEA), at
moderately high temperatures (see 6.1).
1.2 Classification. The rubber gasket and packing material are of the following grades, as specified (see
6.2).
Grade 1 - Nominal 65 durometer hardness.
Grade 2 - Nominal 80 durometer hardness.
Grade 3 - Nominal 90 durometer hardness.
1.2.1 O-ring identification. Unless otherwise specified (see 6.2), o-rings are identified by a part
identifying number (PIN) consisting of the specification designator (M22050); followed by a hyphen and the grade
designator (1, 2, or 3); followed by another hyphen and the SAE AS 568 dash number for size designation.
(Example: M22050-2-236).
2. APPLICABLE DOCUMENTS
2.1 General. The documents listed in this section are specified in sections 3, 4, or 5 of this specification.
This section does not include documents cited in other sections of this specification or recommended for additional
information or as examples. While every effort has been made to ensure the completeness of this list, document
users are cautioned that they must meet all specified requirements of documents cited in sections 3, 4, or 5 of this
specification, whether or not they are listed.
Comments, suggestions, or questions on this document should be addressed to Commander, Naval Sea Systems
Command, ATTN: SEA 05Q, 1333 Isaac Hull Avenue, SE, Stop 5160, Washington Navy Yard DC 20376-5160 or
emailed to commandstandards@navsea.navy.mil, with the subject line "Document Comment". Since contact
information can change, you may want to verify the currency of this address information using the ASSIST Online
database at https://assist.daps.dla.mil.
AMSC N/A
FSC 5330
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