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NSN 6650-00-213-7002, 6650002137002
LENS,OPTICAL INSTRUMENT

Federal Supply Classification
FSC 6650 - Optical Instruments, Test Equipment, Components and Accessories
National Item Identification Number
NIIN 002137002
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 6650-00-213-7002

National Stock Number (NSN) 6650-00-213-7002, or NIIN 002137002, (lens,optical instrument) was assigned April 20, 1973 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.

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: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

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 6650002137002 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

UNABLE TO DECODE
(MATL) UNABLE TO DECODE
MATERIAL
(MATT) GLASS,OPTICAL,MIL-G-174,CLASS 1,GRADE B,TYPE 531-621 AND TYPE 603-380
ELEMENT LEFT SURFACE RADIUS
(CTKW) -3.167 INCHES AND 5.391 INCHES
ELEMENT RIGHT SURFACE RADIUS
(CTKX) -3.167 INCHES AND 12.399 INCHES
ABBE CONSTANT
(BMMZ) 62.100 AND 38.000
BACK FOCAL LENGTH
(BMMT) 7.772 INCHES
AXIAL THICKNESS
(BMLY) 0.464 INCHES MINIMUM AND 0.472 INCHES MAXIMUM AND 0.278 INCHES MINIMUM AND 0.286 INCHES MAXIMUM
COMPOUND LENS OVERALL AXIAL THICKNESS
(BMMN) 0.742 INCHES MINIMUM AND 0.758 INCHES MAXIMUM
COMPOUND LENS STYLE
(BMSC) DOUBLET
DIAMETER
(ABMZ) 2.123 INCHES MINIMUM AND 2.125 INCHES MAXIMUM
EQUIVALENT FOCAL LENGTH
(BMMS) 8.126 INCHES
FRONT FOCAL LENGTH
(BMMW) 7.992 INCHES
FSC APPLICATION DATA
(ZZZV) RECEIVER-TRANSMITTER,LASER
INDIVIDUAL LENS STYLE
(BMSD) DOUBLE CONVEX AND MENISCUS DIVERGING
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MIL-G-174,CLASS 1,GRADE B,TYPE 531-621 AND TYPE 603-380 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIAL
(MATT) GLASS OPTICAL
REFRACTION INDEX
(BMMX) 1.5310 NOMINAL AND 1.6030 NOMINAL
SPECIAL FEATURES
(FEAT) BLACK ARROW ON PERIPHERY. FRONT AND BACK SURFACES COATED WITH MAGNESIUM FLUORIDE. CHAMFER EDGES 0.010 IN. TO 0.015 IN. BY 40 TO 50 DEG. RIM AND CHAMFERS GROUND.
III FSC APPLICATION DATA
(ZZZV) RECEIVER-TRANSMITTER,LASER
MATERIAL
(MATL) GLASS,OPTICAL,MIL-G-174,CLASS 1,GRADE B,TYPE 531-621 AND TYPE 603-380
III MATERIAL
(MATL) GLASS,OPTICAL,MIL-G-174,CLASS 1,GRADE B,TYPE 531-621 AND TYPE 603-380

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