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NSN 6650-00-683-9548, 6650006839548
LENS,OPTICAL INSTRUMENT

Federal Supply Classification
FSC 6650 - Optical Instruments, Test Equipment, Components and Accessories
National Item Identification Number
NIIN 006839548
Codification Country
United States
Item Name Code
INC 21884
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
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DLMS® Summary

National Stock Number 6650-00-683-9548

National Stock Number (NSN) 6650-00-683-9548, or NIIN 006839548, (lens,optical instrument) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are no manufacturer part numbers associated to this NSN.

This part number has not been procured by the US Government in over 5 years.

This NSN is assigned to Item Name Code (INC) 21884. [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.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 6650006839548 does not contain precious metals.

This NSN is associated to Schedule B 9018500000: other ophthalmic instruments and appliances and parts and accessories. The Schedule B End Use is listed as medicinal equipment. NAICS classification category 339112: surgical and medical instrument manufacturing.

This information was last updated on .


Technical Characteristics

III MATERIAL
(MATL) GLASS, OPTICAL, JAN-G-174, GRADE B
MATERIAL
(MATL) GLASS, OPTICAL, JAN-G-174, GRADE B
UNABLE TO DECODE
(MATL) UNABLE TO DECODE
MATERIAL
(MATT) GLASS, OPTICAL, JAN-G-174, GRADE B
ELEMENT LEFT SURFACE RADIUS
(CTKW) 5.189 INCHES
ELEMENT RIGHT SURFACE RADIUS
(CTKX) 2.015 INCHES
ABBE CONSTANT
(BMMZ) 29.300
AXIAL THICKNESS
(BMLY) 0.196 INCHES NOMINAL
BACK FOCAL LENGTH
(BMMT) 4.530 INCHES
COMPOUND LENS EDGE THICKNESS
(BMMP) 0.1250 INCHES NOMINAL
COMPOUND LENS OVERALL AXIAL THICKNESS
(BMMN) 0.2018 INCHES NOMINAL
DIAMETER
(ABMZ) 1.500 INCHES NOMINAL
EQUIVALENT FOCAL LENGTH
(BMMS) 4.459 INCHES
FSC APPLICATION DATA
(ZZZV) 1. TELESCOPE,M105C,INTEGRATED WITH FIRE CONTROL EQUIPMENT
INDIVIDUAL LENS STYLE
(BMSD) MENISCUS CONVERGING
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) JAN-G-174, GRADE B MIL SPEC SINGLE MATERIAL RESPONSE
MATERIAL
(MATT) GLASS OPTICAL
REFRACTION INDEX
(BMMX) 1.7200 NOMINAL
SINGLE LENS STYLE
(BMSB) MENISCUS CONVERGING
III FSC APPLICATION DATA
(ZZZV) 1. TELESCOPE,M105C,INTEGRATED WITH FIRE CONTROL EQUIPMENT

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