[INCH-POUND]
A-A-52524A
April 10, 1997
SUPERSEDING
A-A-52524
September 22, 1995
COMMERCIAL ITEM DESCRIPTION
SEAL, PLAIN, AND SEAL, PLAIN, ENCASED: FLUID, RADIAL, SINGLE
AND MULTIPLE LIP SEALING MEMBER
The General Services Administration has authorized the use of this Commercial Item
Description (CID) for all federal agencies.
1. SCOPE. This commercial item description (CID) covers radial single and multiple lip fluid
seals. The seals are intended to be press mounted as rotary shaft seals to retain oil or other fluids.
The seals covered by this CID are referred to commercially as "oil seals".
2. CLASSIFICATION. Seals shall be of the following classes, as specified (see 7.2):
Class 1: Polymer impregnated or coated chrome vegetable retanned leather sealing member,
normal operating temperature service [-65 to 170 degrees Fahrenheit (°F)].
Class 2: Oil resistant synthetic elastomer sealing member, normal operating temperature
service (-65 to 200°F).
Class 3: Oil resistant synthetic elastomer sealing member, extreme operating temperature
service (-65 to 300°F).
Class 4: Mechanical- roll felt, extra firm pad.
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: AMSTA-TR-E/BLUE, Warren, MI 48397-5000.
AMSC 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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