Product Details | OBSERVATION WINDOW

9340-01-164-5252 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: MB4202-1 PC9, MB42021PC9, 4L4, 9340-01-164-5252, 01-164-5252, 9340011645252, 011645252

Nonmetallic Fabricated Materials | Glass Fabricated Materials

Supply Group (FSG) NSN Assign. NIIN
93 19 OCT 1983 01-164-5252

Drawings & Photos | NSN 9340-01-164-5252


Demand History | NSN 9340-01-164-5252

Part Number Request Date QTY Origin
9340-01-164-5252 2018-04-98 60 DIBBS
9340-01-164-5252 2013-06-163 4 DIBBS
9340-01-164-5252 2012-04-116 4 DIBBS
9340-01-164-5252 2011-08-235 4 DIBBS

Cross Reference | NSN 9340-01-164-5252

Part Number Cage Code Manufacturer
4L4 12763 DYNALEC CORPORATION
4L4 20049 THE ELECTRIC TACHOMETER CORP.
MB4202-1 PC9 12763 DYNALEC CORPORATION
MB4202-1 PC9 20049 THE ELECTRIC TACHOMETER CORP.

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Technical Data | NSN 9340-01-164-5252

Characteristic Specifications
STYLE DESIGNATOR 4 CIRCULAR
OVERALL DIAMETER 4.875 INCHES NOMINAL
OVERALL THICKNESS 0.250 INCHES NOMINAL
MATERIAL GLASS
MATERIAL TRANSPARENCY CLEAR

Restrictions/Controls & Freight Information | NSN 9340-01-164-5252

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
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 086700 GLASS,FLAT,NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 704 unknown
Originating Activity Code CX Defense Supply Center Richmond
Richmond, VA 23297-5000
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 9340-01-164-5252

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each