INCH-POUND
MIL-DTL-3643B
25 November 2003
SUPERSEDING
MIL-C-3643A
21 February 1961
DETAIL SPECIFICATION
CONNECTORS, COAXIAL, RADIO FREQUENCY,
SERIES HN, AND ASSOCIATED FITTINGS,
GENERAL SPECIFICATION FOR
Inactive for new design after
14 August 1972.
This specification is approved for use by all Departments and Agencies of the Department of Defense
1. SCOPE
1.1 Scope. This specification covers the general requirements for weatherproof, series HN-radio-
frequency, coaxial connectors and associated fittings. These connectors have a nominal impedance of
50 ohms, an operating voltage of 1,500 volts root mean square, and a nominal operating frequency range
of 0 to 10,000 MHz (see 6.1 and 6.3).
1.2 Classification.
1.2.1 Type designation. The type designation of connectors and associated fittings is derived from the
AN nomenclature system specified in MIL-STD-196 (see 3.1 and 6.2).
1.2.2 Part or Identifying Number (PIN). The PIN consists of the applicable "UG" designation (see 6.3).
UG-XXXX( )/U
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
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,
Defense Supply Center Columbus, Attn: VAI, P.O. Box 3990 East Broad Street, Columbus, Ohio
43216-5000 or emailed to RFConnectors@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 www.dodssp.daps.mil.
AMSC N/A
FSC 5935
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