18BB4306           This Item Up For Offer is a       KIDDE     FIRE EXTINGUISHER     VALVE STEM WITH O RING      P/N 877546K  WITH 259772K O RING    ALUMINUM     2" LONG    .555" OD SEAL     SATIN GOLD FINISH    NO BOX    FITS DRY CHEMICAL  10RAS-3-4-5-6  10TAS-3-4-5-6  20RAS-3-4-5-6-7  20TAS-3-4-5-6-7  30RAS-3  MAY FIT OTHERS    AS IN PICTURE # 5.    Condition New and Unused, From Surplus Old Stock.    Made in the USA by  KIDDE. 

Note:  we looked close at the O rings that are on these units and they have cracking and will need to be replaced before use , we wanted to note this the valves are good but it looks like the O rings are aged and cracked and will need replacement , 
 
I WELCOME YOUR INTEREST IN THIS ONE, AND ALL MY OTHER ITEMS.