An Arabic numeral device or numeral device<ref>DoDM 1348.33 P. 55 (1), P. 56 (1) (2)</ref> sometimes called an "award numeral", is a United States Armed Forces service device<ref>DoD Awards Manual, 1348.33, V3, P. 1 (2), service devices & P. 7 (List of authorized devices), Nov. 23, 2010</ref> that may be authorized for wear on specific service ribbons and suspension ribbons of medals. Arabic numeral devices are bronze or gold in color and are Template:Frac inch in height.
Arabic numerals are worn to denote award of a second or subsequent award for which a member has already received the initial decoration or award.<ref>DoDM1348.33, V3, 2010 P. 16 (2) subsequent award devices</ref> The ribbon denotes the first award and numerals starting with the numeral 2 denote the total number of awards.<ref>DoD Awards Manual 1348. 33, V3, P. 55, 56 (1-2) (a-b), Nov. 23, 2010</ref> The Template:Frac inch numerals are similar to the Template:Frac inch Strike/Flight numerals worn by the United States Navy and Marine Corps.<ref>Navy Personnel Command, U.S. Navy Uniform Regulations, Chapter 5, 5301-5319 Awards, last updated 27 July 2011, accessed 1 April 2012</ref><ref>Permanent Marine Corps Uniform Board, Chapert 5, Awards Template:Webarchive, last updated 29 October 2009, accessed 1 April 2012</ref><ref>U.S. Coast Guard Medals and Awards Manual CIM 1650.25D, dated May 2008, accessed 1 April 2012</ref><ref>U.S. Army Regulation 600-8-22, Military Awards, dated 11 December 2006, revised 15 September 2011, last accessed 1 April 2012</ref>
U.S. military decorations and awards that may be authorized an Arabic Numeral device are as follows:
- Air Medal
- Armed Forces Reserve Medal (only in conjunction with the "M" device)<ref>DoD Awards Manual 1348.33, V3, P. 56 (2) (b), Nov. 23, 2010</ref>
- NCO Professional Development Ribbon (numerals indicate the level of the course graduated, not multiple decorations)
- Army Overseas Service Ribbon
- Army Reserve Components Overseas Training Ribbon
- Navy Recruiting Service Ribbon
- Multinational Force and Observers Medal
With the exception of the Air Medal and Armed Forces Reserve Medal service ribbons and suspension ribbons, the United States Army is the only service branch to currently use numerals on other service ribbons, and the Navy on their Recruiting Service Ribbon. During World War II, some Naval Construction Battalions (Seabees) were issued the Asiatic-Pacific Campaign Medal with numerals instead of service stars.<ref>The Institute of Heraldry, Uniformed Services ~ Army > Service Ribbons Accoutrements Template:Webarchive, accessed 1 April 2012</ref>