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NSN 6650-00-119-3966, 6650001193966
LENS,OPTICAL INSTRUMENT

Federal Supply Classification
FSC 6650 - Optical Instruments, Test Equipment, Components and Accessories
National Item Identification Number
NIIN 001193966
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 6650-00-119-3966

National Stock Number (NSN) 6650-00-119-3966, or NIIN 001193966, (lens,optical instrument) was assigned October 18, 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. ISO Group has several sources of supply for this NSN.

This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 11 contracts issued for this part number, with 10 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 6 different suppliers. The last contract numbers awarded were: SPE7L725P1646, SPE7L725P1655, SPE7L721V0036, SPE7L720P4599, SPE7L720V0775. The total value of the awarded contracts has been US$ 101,204.66.

This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.

There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 27,288. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 31, 2013, 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 6650001193966 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

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 588-534
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 588-534 MIL SPEC 2ND MATERIAL RESPONSE
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 588-534
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 588-534
MATERIAL
(MATT) GLASS OPTICAL AND GLASS OPTICAL
ELEMENT LEFT SURFACE RADIUS
(CTKW) 143.191 MILLIMETERS
ELEMENT RIGHT SURFACE RADIUS
(CTKX) 6.256 INCHES
ABBE CONSTANT
(BMMZ) 33.800 AND 53.400
AXIAL THICKNESS
(BMLY) 0.297 INCHES MINIMUM AND 0.317 INCHES MAXIMUM AND 0.705 INCHES MINIMUM AND 0.725 INCHES MAXIMUM
BACK FOCAL LENGTH
(BMMT) 15.807 INCHES
COMPOUND LENS OVERALL AXIAL THICKNESS
(BMMN) 1.002 INCHES MINIMUM AND 1.042 INCHES MAXIMUM
COMPOUND LENS STYLE
(BMSC) DOUBLET
DIAMETER
(ABMZ) 3.097 INCHES MINIMUM AND 3.100 INCHES MAXIMUM
EQUIVALENT FOCAL LENGTH
(BMMS) 16.560 INCHES
FSC APPLICATION DATA
(ZZZV) COLLIMATOR
INDIVIDUAL LENS STYLE
(BMSD) DOUBLE CONCAVE 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 588-534 MIL SPEC 2ND MATERIAL RESPONSE
MATERIAL
(MATT) GLASS OPTICAL
REFRACTION INDEX
(BMMX) 1.6490 NOMINAL AND 1.5880 NOMINAL
SPECIAL FEATURES
(FEAT) FRONT AND BACK SURFACES COATED WITH MAGNESIUM FLUORIDE
UNABLE TO DECODE
(MATL) UNABLE TO DECODE AND UNABLE TO DECODE
III FSC APPLICATION DATA
(ZZZV) COLLIMATOR

Manufacturer Part Numbers


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