MIL-DTL-17191E(SH)
This specification is approved for use by the Naval Sea Systems Command and is available for use by all
Departments and Agencies of the Department of Defense.
1. SCOPE
1.1 Scope. This specification covers the Portsmouth bonded spool type series of rubber resilient mounts,
together with tests for evaluating the rubber stock and the completely assembled mount. These mounts are primarily
for use on surface ships and submarines, where applicable.
1.2 Classification.
1.2.1 Types. Resilient mounts are of the following types, as specified (see 6.2).
Types
15P50A
15P550A
15P1000A
15P100A
15P550B
15P1000B
15P150A
15P700A
15P1200A
15P220A
15P700B
15P1200B
15P300A
15P800A
15P2000A
15P400A
15P800B
15P2000B
15P400B
1.2.1.1 Type nomenclature. The type designation is established based upon the upper load rating
characteristics of the mount. The numbers and letters in the type designation denote the following:
a. First number Denotes the nominal natural frequency (Hertz) in the axial direction (see 6.4.1) at the upper
rated load.
Letter P Denotes the mount design activity (Portsmouth Naval Shipyard [PNSY]).
b.
Second number Denotes the upper load rating (pounds).
c.
Letter A or B Denotes the mount design.
d.
1.2.1.1.1 Non-magnetic designation. Letters "NM" following the mount design designates non-magnetic
construction.
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 of documents cited in sections 3 and 4 of this
specification, whether or not they are listed.
2.2 Government documents.
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.
DEPARTMENT OF DEFENSE STANDARDS
MIL-STD-407
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Visual Inspection Guide for Rubber Molded Items
(Copies of this document are available online at https://quicksearch.dla.mil.)
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