INCH-POUND
A-A-52411A
November 1, 2012
SUPERSEDING
A-A-52411(AT)
October 9, 1992
COMMERCIAL ITEM DESCRIPTION
INSULATION, MOLDED, NOISE BARRIER
The General Services Administration has authorized the use of this commercial
item description as a replacement for MIL-I-62520(AT) for all federal agencies.
1. SCOPE. This commercial item description (CID) covers an expandable, self-skinning
insulation material intended for use in applications where a chemical-resistant, sealed, molded
noise barrier is required.
2. SALIENT CHARACTERISTICS.
2.1 Materials. The insulation shall be as specified herein. The use of recovered material
made in compliance with section 402 of the Clean Air Act (33 U.S.C. 1342 et. seq.) is acceptable
providing that all requirements of this CID are met.
2.2 Design and configuration. The design and configuration of the insulation shall be as
specified in the applicable drawing (see 6.2).
2.2.1 Color. The color of the insulation shall be black.
2.3 Physical properties.
2.3.1 Surface density. The surface density of 1-inch thick insulation shall be
1.2±.12 pounds per square foot.
Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any data
that may improve this document should be sent to U.S. Army RDECOM, Tank Automotive
Research, Development and Engineering Center, ATTN: RDTA-EN/STND/TRANS
MS #268, 6501 E. 11 Mile Road, Warren, MI 48397-5000 or sent by email to
usarmy.detroit.rdecom.mbx.tardec-standardization@mail.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.dla.mil.
AMSC N/A
FSC 5640
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
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