5331-14-503-7750

5331-14-345-6747 5331143456747 143456747 is a nonmetallic circular item with an aperature, having a solid round cross-section. they are used primarily for sealing. for items with other than round cross section, see packing,preformed. for noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.

6750-01-427-1404 6750014271404 014271404 is a flexible plastic material in roll or sheet form bearing a coating which, when exposed to a light source and then given a chemical treatment, produces a visible black and white or color image. the roll film may come with or without perforations, sound track, leader, and/or trailer. the sheet film may be cut in sizes that can be easily handled one sheet at a time, or prepared in pack form where a quantity of sheets are enclosed in a pocket so designed that individual exposures can be made by removing tabbed shields. photographic film may be used for, but not be limited to aerial photography, motion picutre, microfilm, graphic arts, portrait, reproductions, and the like.