MIL-DTL-28778A
15 November 2005
SUPERSEDING
MIL-T-28778(EC)
1 February 1972
DETAIL SPECIFICATION
TRANSFORMER, POWER, STEPUP, 3 PHASE
Inactive for new design after
the date of this specification.
This specification is approved by the Defense Supply Center, Columbus and is
available for use by all Departments and Agencies of the Department of Defense.
1.
SCOPE
1.1 This specification covers the requirements for a high power transformer, using single unit, 3-
legged core construction, supplying rectified loads to be used in Navy shore transmitters. These units are sealed,
metal encased with either separately fabricated headers and terminals or both.
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 completeness of this list, document users are
cautioned that they must meet all specified requirement documents cited in section 3 and 4 of this specification,
whether or not they are listed.
Government documents.
2.2
2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a
part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are
those cited in the solicitation or contract (see 6.2).
FEDERAL STANDARDS
- Screw-Thread Standards for Federal Services.
Comments, suggestions or questions on this document should be addresses to Defense Supply
Center Columbus, ATTN: VAT, Post Office Box 3990, Columbus, OH 43218-3990, or emailed to
transformers@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
5950
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