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Optical Element Spacer NSN 6650-01-558-7993

Item Description

A tubular shaped item designed to maintain a predetermined distance between optical elements, such as lenses, reticles, and the like. The bore may be straight, tapered or counterbored, and may have annular serrations to converge or diverge light rays. The surfaces, which mate with the optics, are usually chamfered, concave, and/or have a specified finish designation in the range of 1 to 125 microinches arithmetical average (aa). See also spacer, sleeve and cell, optical element.

NSN 6650-01-558-7993 NSN: 6650-01-558-7993

Features and Characteristics

FSC
6650 Components And Accessories Test Equipment Optical Instruments
NIIN
015587993
NSN
6650015587993

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
400093-001
Cage Code:
32865
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 9018500000
  • NAICS: 339115
  • SITC: 87225
  • Description: Other ophthalmic instruments and appliances and parts and accessories
  • End Use (Code 21610):
    Medicinal equipment

Q & A

Frequently asked questions for NSN 6650-01-558-7993
What are the manufacturers of nsn 6650015587993?
Does this nsn 6650015587993 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 6650015587993
A tubular shaped item designed to maintain a predetermined distance between optical elements, such as lenses, reticles, and the like. the bore may be straight, tapered or counterbored, and may have annular serrations to converge or diverge light rays. the surfaces, which mate with the optics, are usually chamfered, concave, and/or have a specified finish designation in the range of 1 to 125 microinches arithmetical average (aa). see also spacer, sleeve and cell, optical element.
Does nsn 6650015587993 contain any precious metals?
No precious metal content.
Does nsn 6650015587993 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 6650015587993?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
22261
FIIG:
A07000
App. Key:
AB
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
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