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NSN 6650-00-389-3507, 6650003893507
LENS,OPTICAL INSTRUMENT

Federal Supply Classification
FSC 6650 - Optical Instruments, Test Equipment, Components and Accessories
National Item Identification Number
NIIN 003893507
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 6650-00-389-3507

National Stock Number (NSN) 6650-00-389-3507, or NIIN 003893507, (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. 2 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, 2005, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. 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 6650003893507 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) 26.5 MILLIMETERS AND -48.6 MILLIMETERS
ELEMENT RIGHT SURFACE RADIUS
(CTKX) 48.6 MILLIMETERS AND 46.0 MILLIMETERS
ABBE CONSTANT
(BMMZ) 57.600 AND 36.600
BACK FOCAL LENGTH
(BMMT) 3.112 CENTIMETERS
AXIAL THICKNESS
(BMLY) 2.0 MILLIMETERS NOMINAL AND 1.0 MILLIMETERS NOMINAL
COMPOUND LENS OVERALL AXIAL THICKNESS
(BMMN) 3.0 MILLIMETERS NOMINAL
COMPOUND LENS STYLE
(BMSC) DOUBLET
DIAMETER
(ABMZ) 26.0 MILLIMETERS NOMINAL
EQUIVALENT FOCAL LENGTH
(BMMS) 3.236 CENTIMETERS
FRONT FOCAL LENGTH
(BMMW) 3.168 CENTIMETERS
INDIVIDUAL LENS STYLE
(BMSD) DOUBLE CONVEX AND MENISCUS DIVERGING
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) JAN-G-174 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIAL
(MATT) GLASS OPTICAL
REFRACTION INDEX
(BMMX) 1.5740 NOMINAL AND 1.6170 NOMINAL
MATERIAL
(MATL) GLASS, OPTICAL, JAN-G-174
UNABLE TO DECODE
(MATL) UNABLE TO DECODE
III MATERIAL
(MATL) GLASS, OPTICAL, JAN-G-174
MATERIAL
(MATT) GLASS, OPTICAL, JAN-G-174

Manufacturer Part Numbers


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