National Item Identification Number
01-354-2720
013542720
9330-01-354-2720
9330013542720
National Stock Number
Item Name
WINDOW,OBSERVATION
Federal Supply Class
9330
Description
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.
Commercial and Government Entity Code (Supplier Data)
21877
NORTHROP GRUMMAN SYSTEMS CORPORATION
DBA NORTHROP GRMMAN NORDEN SYSTEMS
65 MARCUS DR
MELVILLE
NY
11747
631-719-4698
33095
SPECTRUM CONTROL INC
WORLD HQ
8031 AVONIA ROAD
FAIRVIEW
PA
16415
814-474-4361
Reference Numbers (Part Numbers)
149368
57-3510-00023-31
Required Categories
STYLE DESIGNATOR
OVERALL LENGTH
OVERALL WIDTH
OVERALL THICKNESS
MATERIAL
MA
Required Description
1 SQUARE CORNERS
6.470 INCHES MINIMUM AND
6.600 INCHES MAXIMUM
2.970 INCHES M