Product Details | OPTICAL INSTRUMENT WINDOW

6650-00-816-6525 A color free item of transparent or translucent material, usually optical glass, having specific light dispersive and refractive properties. This item must have two plane-parallel surfaces and is designed for use in an optical instrument to provide a barrier to foreign matter and/or permit light transmission in or to the optical system.20212400038Optical Sighting and Ranging Equipment66500063Optical Instruments, Test Equipment, Components and Accessories

Part Alternates: 1575552, 6650-00-816-6525, 00-816-6525, 6650008166525, 008166525

Instruments and Laboratory Equipment | Optical Instruments, Test Equipment, Components and Accessories

Supply Group (FSG) NSN Assign. NIIN
66 01 JAN 1963 00-816-6525

Cross Reference | NSN 6650-00-816-6525

Part Number Cage Code Manufacturer
1575552 10001 NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT

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Technical Data | NSN 6650-00-816-6525

Characteristic Specifications
MATERIAL GLASS, OPTICAL, JAN-G-174, TYPE 517-645, GRADE C
REFRACTION INDEX 1.5170 NOMINAL
POLISHED SURFACE BOTH
REFLECTION REDUCING SURFACE BOTH
POLISHED PERIPHERY NOT PROVIDED
DIAMETER 57.500 MILLIMETERS NOMINAL
THICKNESS 3.000 MILLIMETERS NOMINAL
BEVEL ANGLE IN DEG 45.000 NOMINAL
BEVEL DEPTH 1.500 MILLIMETERS NOMINAL
III FSC APPLICATION DATA FIRE CONTROL GUNSIGHT MK 31 MOD 4

Restrictions/Controls & Freight Information | NSN 6650-00-816-6525

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:QStrategic List Item (SLI). Demilitarization not required. SLI are non-MLI(Munitions List Items) controlled by the U.S. Dept. of Commerce through the Export Administration Regulations (EAR) and indicated on the Commerce Control List (CCL). Each CCL entry is preceded by a four-digit Export Control Commerce Control List Item (CCLI) – MUT to the point of scrap required outside the United States. Inside the United States, MUT is required when the DEMIL integrity code (IC) is “3” and MUT is not required when the DEMIL IC is “6.”
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
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 058110 OPTICAL GOODS OR INSTRUMENTS NOI
Less than car load rating
Less than truck load rating D 200.0
Water commodity Code 744 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 M Medical supplies, equipment, samples records, etc.
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 6650-00-816-6525

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 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
Purchasing QTY
UOM
1
EA : Each