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NSN 6650-00-757-7959, 6650007577959
LENS,OPTICAL INSTRUMENT

Federal Supply Classification
FSC 6650 - Optical Instruments, Test Equipment, Components and Accessories
National Item Identification Number
NIIN 007577959
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 6650-00-757-7959

National Stock Number (NSN) 6650-00-757-7959, or NIIN 007577959, (lens,optical instrument) was assigned January 1, 1962 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 6650007577959 contains an unknown precious metal.

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) -98.717 INCHES AND 1.376 INCHES
ELEMENT RIGHT SURFACE RADIUS
(CTKX) -98.717 INCHES AND -0.910 INCHES
ABBE CONSTANT
(BMMZ) 57.400 AND 33.800
AXIAL THICKNESS
(BMLY) 0.468 INCHES NOMINAL AND 0.295 INCHES NOMINAL
BACK FOCAL LENGTH
(BMMT) 5.124 INCHES
COMPOUND LENS EDGE THICKNESS
(BMMP) 0.884 INCHES NOMINAL
COMPOUND LENS OVERALL AXIAL THICKNESS
(BMMN) 0.768 INCHES NOMINAL
COMPOUND LENS STYLE
(BMSC) DOUBLET
DIAMETER
(ABMZ) 1.343 INCHES NOMINAL
EQUIVALENT FOCAL LENGTH
(BMMS) 6.390 INCHES
FSC APPLICATION DATA
(ZZZV) PERISCOPE,INTEGRATED WITH FIRE CONTROL EQUIPMENT
INDIVIDUAL LENS STYLE
(BMSD) PLANO-CONVEX AND PLANO-CONCAVE
LENGTH
(ABRY) 0.884 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) JAN-G-174, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE
MATERIAL
(MATT) GLASS OPTICAL
REFRACTION INDEX
(BMMX) 1.5725 NOMINAL AND 1.6490 NOMINAL
UNABLE TO DECODE
(MATL) UNABLE TO DECODE
III MATERIAL
(MATL) GLASS, OPTICAL, JAN-G-174, GRADE C
III FSC APPLICATION DATA
(ZZZV) PERISCOPE,INTEGRATED WITH FIRE CONTROL EQUIPMENT
MATERIAL
(MATL) GLASS, OPTICAL, JAN-G-174, GRADE C
MATERIAL
(MATT) GLASS, OPTICAL, JAN-G-174, GRADE C

Manufacturer Part Numbers

7577959

RNCC
3
RNVC
2
6650007577959

007577959

007577959


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