Product Details | OPTICAL INSTRUMENT LENS

6650-00-450-1742 An unmounted, transparent, color free lens which may be treated with a low reflection coating to increase light transmission. Includes single and compound elements. For items having two plane parallel surfaces, see WINDOW, OPTICAL INSTRUMENT. Excludes RETICLE, OPTICAL INSTRUMENT.20258550055Night Vision Equipment, Emitted and Reflected Radiation66500063Optical Instruments, Test Equipment, Components and Accessories

Part Alternates: 1073976, 6650-00-450-1742, 00-450-1742, 6650004501742, 004501742

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

Supply Group (FSG) NSN Assign. NIIN
66 10 DEC 1969 00-450-1742

Drawings & Photos | NSN 6650-00-450-1742


Cross Reference | NSN 6650-00-450-1742

Part Number Cage Code Manufacturer
1073976 89944 KOLLSMAN, INC.

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Technical Data | NSN 6650-00-450-1742

Characteristic Specifications
MATERIAL GLASS, OPTICAL, MIL-G-174, GRADE B, TYPE 517-642 AND GLASS, OPTICAL, MIL-G-174, GRADE B, TYPE 622-360
COMPOUND LENS STYLE E1 DOUBLET
INDIVIDUAL LENS STYLE D1 DOUBLE CONVEX AND D5 PLANO-CONCAVE
DIAMETER 0.787 INCHES NOMINAL
AXIAL THICKNESS 0.158 INCHES NOMINAL AND 0.118 INCHES NOMINAL
COMPOUND LENS OVERALL AXIAL THICKNESS 0.276 INCHES NOMINAL
EQUIVALENT FOCAL LENGTH 57.324 INCHES
BACK FOCAL LENGTH 56.689 INCHES
REFRACTION INDEX 1.5170 NOMINAL AND 1.6220 NOMINAL
ABBE CONSTANT 64.200 AND 36.000
SPECIAL FEATURES A. TWO PARALLEL RED LINES ON FLAT SURFACE OF LENS
MANUFACTURERS CODE 89944
DESIGN CONTROL REFERENCE 1073976

Restrictions/Controls & Freight Information | NSN 6650-00-450-1742

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: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 057940 LENSES OPTICAL NOI
Less than car load rating W Rating Variable
Less than truck load rating W Rating Variable
Water commodity Code 744 unknown
Originating Activity Code HH Navy ICP
Mechanicsburg, PA 17055-0788
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 6650-00-450-1742

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 CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each