Used as a sight glass on a marine moisture control inc. Lube oil coulescer d-1254-1 aboard a 400 ft uscg cutter
No other part numbers with same form, fit, and function found.
A transparent item of a predetermined size that permits unobstructed and undistorted view of a desired area. It may include a frame, have reference markings, grid lines and may be heat strengthened and/or tinted. It is generally used where safety, security, and/or the restriction of foreign matter are required, such as the visual examination of the inside of pressurized tanks, liquid sights, controlled liquid flow, and inspection of equipment enclosed in a housing. See window (as modified); scale, cathode ray tube; scale, plotting; window, metal; window, wood; and window panel, aircraft.
Classification: Pressed or molded glass articles, wired or not, for building or construction;leaded glass windows etc; formed multicellular or foam glass
NSN 4140-01-597-4788
NSN 5925-01-175-4630
NSN 5996-00-222-6049
NSN 5990-00-212-4316
NSN 6240-01-596-3183
NSN 6145-01-353-4154
NSN 6130-01-333-1625
NSN 5910-00-141-5934
NSN 6110-01-381-1269
NSN 6130-00-538-8434
NSN 5945-00-655-4444
NSN 6320-01-484-7734