Product Details | OBSERVATION WINDOW

9340-00-643-1659 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.20293300029Plastics Fabricated Materials93400026Glass Fabricated Materials

Part Alternates: 0005611, 0-005611, 9340-00-643-1659, 00-643-1659, 9340006431659, 006431659

Nonmetallic Fabricated Materials | Glass Fabricated Materials

Supply Group (FSG) NSN Assign. NIIN
93 01 JAN 1963 00-643-1659

Drawings & Photos | NSN 9340-00-643-1659


Cross Reference | NSN 9340-00-643-1659

Part Number Cage Code Manufacturer
0-005611 55026 SIMPSON ELECTRIC COMPANY DBA (SUB OF LAC DU FLAMBEAU BAND OF

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Technical Data | NSN 9340-00-643-1659

Characteristic Specifications
STYLE DESIGNATOR 1 SQUARE CORNERS
OVERALL LENGTH 4.078 INCHES NOMINAL
OVERALL WIDTH 5.437 INCHES NOMINAL
OVERALL THICKNESS 0.365 INCHES NOMINAL
MATERIAL PLASTIC
SURFACE FINISH POLISHED
MATERIAL TRANSPARENCY CLEAR
EDGE TYPE FLAT FINISH
PLY QUANTITY 1
TEMP AT MAXIMUM OPERATING PRESSURE NOT RATED
MAXIMUM OPERATING PRESSURE NOT RATED
HARDNESS RATING NOT RATED
MINIMUM TENSILE STRENGTH NOT RATED
ENVIRONMENTAL PROTECTION ANY ACCEPTABLE
RADIATION PROTECTION RATING NOT RATED
MANUFACTURERS CODE 55026
DESIGN CONTROL REFERENCE 0-005611

Restrictions/Controls & Freight Information | NSN 9340-00-643-1659

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 000000 NO NMFC FREIGHT DESCRIPTION
Less than car load rating
Less than truck load rating Z No Rating
Water commodity Code 772 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 9340-00-643-1659

Category Code Description
Cognizance Codes9GNavy-owned stocks of defense general material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9GDefense Supply Center Richmond
Richmond, VA 23297
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative