INCH-POUND
MIL-DTL-27599D
21 July 2008
SUPERSEDING
MIL-DTL-27599C
20 May 2005
DETAIL SPECIFICATION
CONNECTORS, ELECTRICAL, CIRCULAR, MINIATURE, HIGH DENSITY,
QUICK DISCONNECT, ENVIRONMENT RESISTANT, SOLDER CONTACTS,
GENERAL SPECIFICATION FOR
Inactive for new design after 7 December 1998.
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 series of miniature, high density, quick disconnect, bayonet
coupling, circular, environment resistant, electrical connectors capable of continuous operation within a
temperature range of -65ºC to +175ºC (see 6.1). These connectors are intermateable with applicable
series I and series II connectors of MIL-DTL-38999. These connectors are supplied under a MIL-STD-
790 reliability assurance program. See 6.1 for restrictions on intended use and applications.
1.1.1 Marking. Connectors and accessories are metal or ink stamped with the manufacturer's name or
trademark, date code, and the following information, as applicable. Stamping is in accordance with MIL-
STD-1285 where space permits. Metal stamping is accomplished before plating. The following is an
example of the Part or Identifying Number (PIN):
MS20026
T
15
A
18
P
A
MS number
Class
Shell size
Finish (color)
Insert arrangement
Style
Polarizing position
(No letter is required for normal position)
Comments, suggestions, or questions on this document should be addressed to Defense Supply
Center Columbus, ATTN: VAI, P.O. Box 3990, Columbus OH 43218-3990 or emailed to
circularconnector@dscc.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 5935
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