INCH-POUND
A-A-52524/7A
November 6, 2003
SUPERSEDING
A-A-52524/7
September 22, 1995
COMMERCIAL ITEM DESCRIPTION SPECIFICATION SHEET
SEAL, PLAIN ENCASED: DUAL SEAL,
INTERNAL SEAL SPRING LOADED
The General Services Administration has authorized the use of this Commercial Item
Description Specification Sheet (CIDSS) for all federal agencies.
The complete requirements for procuring the seals shall consist of this document and the issue in
effect of A-A-52524.
1. SCOPE. This CIDSS covers seals to be used as rotary shaft seals to retain oil and other
fluids.
2. SALIENT CHARACTERISTICS
2.1 Materials.
2.1.1 Class 1 sealing member material. Class 1 sealing members shall be made of polymer-
impregnated leather or chrome-vegetable-retanned leather which has been mildew resistant
treated and suitable for normal operating temperatures (see A-A-52524).
2.1.2 Class 2 sealing member material. Class 2 sealing members shall be made of oil resistant
synthetic elastomer suitable for normal operating temperature service (see A-A-52524).
2.1.3 Class 3 sealing member material. Class 3 sealing members shall be made of oil resistant
elastomer suitable for extreme operating temperature service (see A-A-52524).
Beneficial comments, recommendations, additions, deletions clarifications, etc. and any other
data which may improve this document should be sent by letter to: U.S. Army Tank-automotive
and Armaments Command, ATTN: AMSRD-TAR-E/ASI, 6501 E. 11 Mile Road, Warren,
MI 48397-5000.
ASMC N/A
FSC 5330
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
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