They were made from 1940-1971 and all date stamped.
The date (month/year) can be determined by the data code stamped on the barrel.
A diagram of the date code location and a table explaining it can be found the the Remington Society of America's (collector site) in the manufacture date link.
http://www.remingtonsociety.com
yes a 550-1 - Autoloading 22 short, long, long rifle from 1941-1970.
Looking for parts for a model 2135-5501 Western International mower. Where can I go? Part # 57669
5501.0
Yes
5500
The Bold and the Beautiful - 1987 1-5501 was released on: USA: 13 February 2009
5500
5501/500
Has to do with manufacturing date. 91-0 90-91 91-0 => First production year for this reel is 1991, this reel is in the 0 change set (no changes since first production). 90-91 => This reel was manufactured between Summer 1990 and Summer 1991. Since the reel model was introduced in 1991 it is safe to assume this particular reel was manufactured during Spring 1991. /Mooki
5501/500 in lowest terms
11.002 = 11002/1000 and 5501/500. It simplifies to: 111/500
The ISBN of Line War is 1-4050-5501-4.