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Telescopic Instrume Light Filter NSN 1240-00-930-6801

Item Description

An item having two plane-parallel surfaces and used in the telescopic system of an optical instrument to modify the density or spectral intensity of light by absorption. Several filters having varied characteristics are usually mounted in such a manner that any selected filter may be moved in or out of the optical axis as light conditions warrant. Excludes window, optical instrument.

NSN 1240-00-930-6801 NSN: 1240-00-930-6801

Features and Characteristics

Overall Diameter
Between 1.667 inches and 1.670 inches
Overall Thickness
Between 0.190 inches and 0.200 inches
Special Features
Round flat disk; each edge chamfer 0.020/0.030 lg by 45 deg; one surface neutral density reflective coating; surface quality central zone 0.800 in. Min diameter 40-20; surface quality outer zone 1.500 min.Dia 60-40; 2.0 millidiopters max spherical power or astigmatism; transmission at 0.540 micron to be8 12 percent; transmission in visible region between 0.450 and 0.650 micron equals that of 0.540 micron within 50 percent; light deviation not to exceed 30 seconds of arc; rim and chamfers ground; optical glass cl 1 gr c type 523-586
FSC
1240 Optical Sighting And Ranging Equipment
NIIN
009306801
NSN
1240009306801

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
8624648
Cage Code:
19200
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 9803200000
  • NAICS: 990000
  • SITC: 93100
  • Description: Military equipments not identified by kind
  • End Use (Code 50060):
    Military apparel and footwear

Q & A

Frequently asked questions for NSN 1240-00-930-6801
What are the manufacturers of nsn 1240009306801?
Does this nsn 1240009306801 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 1240009306801
An item having two plane-parallel surfaces and used in the telescopic system of an optical instrument to modify the density or spectral intensity of light by absorption. several filters having varied characteristics are usually mounted in such a manner that any selected filter may be moved in or out of the optical axis as light conditions warrant. excludes window, optical instrument.
Does nsn 1240009306801 contain any precious metals?
No precious metal content.
Does nsn 1240009306801 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 1240009306801?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
13347
FIIG:
T205-A
App. Key:
AB
Cond. Code:
2
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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