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Optical Element Spacer NSN 6650-00-137-3844

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 6650-00-137-3844 NSN: 6650-00-137-3844

Features and Characteristics

Overall Length
0.074 inches
Straight Body Portion Width
0.050 inches
Straight Bore Inside Diameter
0.687 inches
Body Minor Taper Diameter
0.718 inches
Body Taper
30.0 degrees
Material
Aluminum alloy
Style Designator
Spacer
FSC
6650 Components And Accessories Test Equipment Optical Instruments
NIIN
001373844
NSN
6650001373844

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
69-2534
Cage Code:
02024
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 6650-00-137-3844
What are the manufacturers of nsn 6650001373844?
Does this nsn 6650001373844 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 6650001373844
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 6650001373844 contain any precious metals?
No precious metal content.
Does nsn 6650001373844 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 6650001373844?
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
  •   Quality Inspected Parts
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