[INCH-POUND]
A-A-55564B
30 August 2012
SUPERSEDING
A-A-55564A
15 February 2002
COMMERCIAL ITEM DESCRIPTION
RESISTOR, VOLTAGE SENSITIVE (VARISTOR)
GENERAL REQUIREMENTS FOR
The General Services Administration has authorized the use of this
Commercial item description (CID) for all federal agencies.
Inactive for new design
after 31 March 2008
Parts manufactured prior to the above date
may only be used for replacement purposes.
Parts manufactured after above date
shall not be supplied to this CID.
1. SCOPE. This CID covers the general requirements for a transient voltage suppression device.
These varistors offer high energy capabilities and voltage clamping characteristics. Requirements for
specific varistors are covered in the individual CID sheets. The varistors covered by this CID are intended
for commercial/industrial applications.
2. CLASSIFICATION/PART OR IDENTIFICATION NUMBER (PIN). This CID uses a classification
system which is included in the Part Identification Number (PIN) as shown in the following example
(see 7.1).
AA55564
01
-
001
Abbreviated
Applicable CID sheet
Dash number
CID number
(two digits)
(see applicable CID sheet)
3. SALIENT CHARACTERISTICS
3.1 Interface and physical dimensions. The varistors supplied to this CID shall be as specified on the
applicable CID sheet.
3.1.1 CID specification sheet. The family of varistors shall be in accordance with the requirements
specified herein and the applicable CID specification sheet. In the event of a conflict between the general
CID and the applicable CID specification sheet, that latter will govern.
Comments, suggestions, or questions on this document should be addressed to: DLA Land and Maritime,
ATTN: VAT, Post Office Box 3990, Columbus, Ohio 43218-3990 or by email Resistor@dla.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 5905
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
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