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Optical Element Retainer NSN 6650-00-891-4534

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 6650-00-891-4534 NSN: 6650-00-891-4534

Features and Characteristics

Shoulder Length
0.143 inches
Hole Diameter
Between 1.950 inches and 1.960 inches
Width
Between 0.178 inches and 0.198 inches
Overall Length
Between 0.178 inches and 1.980 inches
Hole Or Slot Quantity
2
Diameter
2.125 inches
Drive Type
Slotted
Drive Facility Angular Spacing In Deg
90.0
Radius From Geometric Axis To Hole Center
1.045 inches
Guide Design
Thread chamfer
Guide Location
Edge opposite drive edge
Internal Annular Serration
Not provided
Setscrew Notch
Not provided
Flange Thread Size
2.125 in.-32 uns-2a
Err Default
Err default and err default
Err Default
Err default and err default
Material
Aluminum alloy, qq-a-250/11, t6
Material
Aluminum alloy 6061
Style Designator
Shouldered
Fsc Application Data
Projector, reticle
FSC
6650 Components And Accessories Test Equipment Optical Instruments
NIIN
008914534
NSN
6650008914534

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
10547491
Cage Code:
8V613
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 6650-00-891-4534
What are the manufacturers of nsn 6650008914534?
Does this nsn 6650008914534 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 6650008914534
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 6650008914534 contain any precious metals?
No precious metal content.
Does nsn 6650008914534 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 6650008914534?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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