Comments, suggestions, or questions on this document should be addressed to Defense Supply
Center Richmond, ATTN: DSCR-VEB, 8000 Jefferson Davis Highway, Richmond, VA 23297-
5616 or emailed to STDZNMGT@dla.mil. Since contact information can change, you may want
to verify the currency of this address information using the ASSIST database at
http://assist.daps.dla.mil/.
AMSC N/A FSC 8120
NOT MEASUREMENT SENSITIVE
MIL-DTL-2G
29 September 2006
SUPERSEDING
MIL-DTL-2F
25 September 2002
DETAIL SPECIFICATION
VALVES, CYLINDER, GAS
(FOR COMPRESSED OR LIQUEFIED GASES),
GENERAL SPECIFICATION FOR
This specification is approved for use by all Departments and Agencies of the
Department of Defense.
1. SCOPE
1.1 Scope. This specification provides design and operational requirements for cylinder
valves (see 6.7.3) used with compressed gas (see 6.7.1) cylinders containing liquefied (see 6.7.7)
or non-liquefied compressed gases (see 6.7.8) or mixtures.
1.2 Classification. The valves are of the following styles, classes, compositions, inlet
sizes, outlet connection numbers, and pressure relief device (PRD) (see 6.7.9) types:
Style I - Compression packed.
Style IIA - O-ring (low pressure).
Style IIB - O-ring (high pressure).
Style III - Pressure seal.
Style IV - Diaphragm seal.
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