INCH-POUND
MIL-PRF-24172B (SH)
27 September 2004
SUPERSEDING
MIL-I-24172A (SH)
19 November 1986
PERFORMANCE SPECIFICATION
INSULATION, PLASTIC, CELLULAR FOAM, RIGID, PREFORMED AND FOAM-IN-PLACE
This specification is approved for use by the Naval Sea Systems Command, Department of the Navy, and is available for use
by all Departments and Agencies of the Department of Defense.
1. SCOPE
1.l Scope. This specification establishes the requirements for a rigid cellular foam material.
1.2 Classification. Foam is of the following types and classes, as specified (see 6.2):
Type I - Preformed
Class 1 - 1.7 to 2.5 pounds per cubic foot density
Class 2 - 2.5 to 4.0 pounds per cubic foot density
Type II - Foam-in-place
Class 1 - 1.7 to 2.5 pounds per cubic foot density
Class 2 - 2.5 to 4.0 pounds per cubic foot density
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 of documents cited in sections 3, 4,
or 5 of this specification, whether or not they are listed.
2.2 Government documents.
Comments, suggestions, or questions on this document should be addressed to Commander, Naval Sea Systems
Command, ATTN: SEA 05Q, 1333 Isaac Hull Avenue, SE, Stop 5160, Washington Navy Yard DC 20376-5160 or
emailed to commandstandards@navsea.navy.mil, with the subject line "Document Comment". 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
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