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Optical Element Retainer NSN 6650-00-944-1399

Item Description

A cylindrical, externally threaded item having a centrally located hole specifically designed to retain by means of either a raised box (shoulder), or counterbore, countersink, or a similar shaped recess, an optical element such as a lens, reticle, cell, and the like, in optical assemblies. It must have drilled holes or slots to facilitate assembly and disassembly. For items which house the optical element(s), and form the internal or central portions of an optical system, see cell, optical element. Excludes ring, externally threaded.

NSN 6650-00-944-1399 NSN: 6650-00-944-1399

Features and Characteristics

Shoulder Diameter
Between 0.775 inches and 0.795 inches
Shoulder Length
Between 0.085 inches and 0.095 inches
Hole Diameter
Between 0.590 inches and 0.610 inches
Width
0.094 inches
Overall Length
Between 0.240 inches and 0.260 inches
Hole Or Slot Quantity
2
Diameter
0.094 inches
Depth
0.050 inches
Drive Type
Slotted
Drive Facility Angular Spacing In Deg
180.0
Guide Design
Thread chamfer
Guide Location
Drive edge
Internal Annular Serration
Not provided
Setscrew Notch
Not provided
Flange Thread Size
0.875 in.-32 uns 2a
Material
Aluminum alloy, qq-a-225/6, t351
Material
Aluminum alloy 2024
Material Specification
Qq-a-225/6, t351 federal specification single material response
Surface Treatment
Anodize
Style Designator
Shouldered
Surface Treatment
Anodized black
FSC
6650 Components And Accessories Test Equipment Optical Instruments
NIIN
009441399
NSN
6650009441399

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
10121189
Cage Code:
18876
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 6650-00-944-1399
What are the manufacturers of nsn 6650009441399?
Does this nsn 6650009441399 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 6650009441399
A cylindrical, externally threaded item having a centrally located hole specifically designed to retain by means of either a raised box (shoulder), or counterbore, countersink, or a similar shaped recess, an optical element such as a lens, reticle, cell, and the like, in optical assemblies. it must have drilled holes or slots to facilitate assembly and disassembly. for items which house the optical element(s), and form the internal or central portions of an optical system, see cell, optical element. excludes ring, externally threaded.
Does nsn 6650009441399 contain any precious metals?
No precious metal content.
Does nsn 6650009441399 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 6650009441399?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
22451
FIIG:
T271-K
App. Key:
KA
Cond. Code:
2
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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