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NSN 6650-00-507-9255, 6650005079255
LENS,OPTICAL INSTRUMENT

Federal Supply Classification
FSC 6650 - Optical Instruments, Test Equipment, Components and Accessories
National Item Identification Number
NIIN 005079255
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.
Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS® Summary

National Stock Number 6650-00-507-9255

National Stock Number (NSN) 6650-00-507-9255, or NIIN 005079255, (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 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.

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

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Feb 02, 2020, this NSN's acquisition method was noted as: Acquire only from the prime contractor although the engineering data identifies the Commercial and Government Entity Code (CAGE) and part number of a source other than the prime contractor. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.

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 6650005079255 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

ELEMENT LEFT SURFACE RADIUS
(CTKW) -2.649 INCHES AND 22.769 INCHES
ELEMENT RIGHT SURFACE RADIUS
(CTKX) -2.649 INCHES AND 6.235 INCHES
ABBE CONSTANT
(BMMZ) 58.600 AND 36.200
AXIAL THICKNESS
(BMLY) 0.204 INCHES NOMINAL AND 0.143 INCHES NOMINAL
BACK FOCAL LENGTH
(BMMT) 11.660 INCHES
COMPOUND LENS OVERALL AXIAL THICKNESS
(BMMN) 0.347 INCHES NOMINAL
COMPOUND LENS STYLE
(BMSC) DOUBLET
COMPOUND LENS EDGE THICKNESS
(BMMP) 0.289 INCHES NOMINAL
DIAMETER
(ABMZ) 1.500 INCHES NOMINAL
EQUIVALENT FOCAL LENGTH
(BMMS) 11.682 INCHES
FSC APPLICATION DATA
(ZZZV) FINDER,RANGE,T42E1,INTEGRATED WITH FIRE CONTROL EQUIPMENT
INDIVIDUAL LENS STYLE
(BMSD) DOUBLE CONVEX AND MENISCUS DIVERGING
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MIL-G-174, CLASS 1, GRADE B MIL SPEC SINGLE MATERIAL RESPONSE
MATERIAL
(MATT) GLASS OPTICAL
REFRACTION INDEX
(BMMX) 1.5230 NOMINAL AND 1.6210 NOMINAL
III FSC APPLICATION DATA
(ZZZV) FINDER,RANGE,T42E1,INTEGRATED WITH FIRE CONTROL EQUIPMENT
MATERIAL
(MATT) GLASS, OPTICAL, MIL-G-174, CLASS 1, GRADE B
MATERIAL
(MATL) GLASS, OPTICAL, MIL-G-174, CLASS 1, GRADE B
III MATERIAL
(MATL) GLASS, OPTICAL, MIL-G-174, CLASS 1, GRADE B
UNABLE TO DECODE
(MATL) UNABLE TO DECODE

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