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NSN 6650-00-116-3432, 6650001163432
LENS,OPTICAL INSTRUMENT

Federal Supply Classification
FSC 6650 - Optical Instruments, Test Equipment, Components and Accessories
National Item Identification Number
NIIN 001163432
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 6650-00-116-3432

National Stock Number (NSN) 6650-00-116-3432, or NIIN 001163432, (lens,optical instrument) was assigned September 27, 1968 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 6650001163432 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

III FSC APPLICATION DATA
(ZZZV) PERISCOPE
ELEMENT LEFT SURFACE RADIUS
(CTKW) 2.270 INCHES
ELEMENT RIGHT SURFACE RADIUS
(CTKX) 0.828 INCHES
ABBE CONSTANT
(BMMZ) 33.800 AND 59.900
BACK FOCAL LENGTH
(BMMT) 1.934 INCHES
AXIAL THICKNESS
(BMLY) 0.101 INCHES MINIMUM AND 0.113 INCHES MAXIMUM AND 0.494 INCHES MINIMUM AND 0.506 INCHES MAXIMUM
COMPOUND LENS OVERALL AXIAL THICKNESS
(BMMN) 0.595 INCHES MINIMUM AND 0.619 INCHES MAXIMUM
COMPOUND LENS STYLE
(BMSC) DOUBLET
DIAMETER
(ABMZ) 1.236 INCHES MINIMUM AND 1.240 INCHES MAXIMUM
EQUIVALENT FOCAL LENGTH
(BMMS) 2.079 INCHES
FSC APPLICATION DATA
(ZZZV) PERISCOPE
INDIVIDUAL LENS STYLE
(BMSD) MENISCUS DIVERGING AND DOUBLE CONVEX
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MIL-G-174, CLASS 1, GRADE C, TYPE 649-338 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-G-174, CLASS 1, GRADE C, TYPE 541-599 MIL SPEC 2ND MATERIAL RESPONSE
MATERIAL
(MATT) GLASS OPTICAL AND GLASS OPTICAL
REFRACTION INDEX
(BMMX) 1.6490 NOMINAL AND 1.5410 NOMINAL
SPECIAL FEATURES
(FEAT) FRONT AND BACK SURFACES COATED WITH MAGNESIUM FLUORIDE
MATERIAL
(MATL) GLASS, OPTICAL, MIL-G-174, CLASS 1, GRADE C, TYPE 649-338 AND GLASS, OPTICAL, MIL-G-174, CLASS 1, GRADE C, TYPE 541-599
MATERIAL
(MATT) GLASS, OPTICAL, MIL-G-174, CLASS 1, GRADE C, TYPE 649-338 AND GLASS, OPTICAL, MIL-G-174, CLASS 1, GRADE C, TYPE 541-599
III MATERIAL
(MATL) GLASS, OPTICAL, MIL-G-174, CLASS 1, GRADE C, TYPE 649-338 AND GLASS, OPTICAL, MIL-G-174, CLASS 1, GRADE C, TYPE 541-599
UNABLE TO DECODE
(MATL) UNABLE TO DECODE AND UNABLE TO DECODE

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