INCH-POUND
MIL-DTL-12211G
5 February 2009
SUPERSEDING
MIL-DTL-12211F
10 March 2003
DETAIL SPECIFICATION
SWITCH, PRESSURE
This specification is approved for use by all Departments and Agencies of the Department of Defense.
1. SCOPE
1.1 Scope. This specification covers two types of automotive pressure switches (see 6.1). Type I
switches operate when fluid pressures drop below predetermined values and type II switches operate
when fluid pressures exceed predetermined values.
1.2 Classification. Switches furnished under this specification will be of the following types and classes
as specified (see 6.2). All switches shall be (waterproof).
Type I
-
Sufficiently low pressure closes contacts.
Type II
-
Sufficiently high pressure closes contacts.
High vibration (see 6.4).
Class 1
-
Low vibration (see 6.4).
Class 2
-
2. APPLICABLE DOCUMENTS
2.1 General. The documents listed in this section are specified in sections 3 and 4 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 documents cited in
sections 3 and 4 of this specification, whether or not they are listed.
Comments, suggestions or questions on this document should be addressed to Defense Supply Center
Columbus, ATTN: VAT, Post Office Box 3990, Columbus, OH 43218-3990, or emailed to switch@dla.mil.
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 5930
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