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Optical Element Retainer NSN 6650-00-829-4120

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 6650-00-829-4120 NSN: 6650-00-829-4120

Features and Characteristics

Hole Diameter
Between 4.245 inches and 4.255 inches
Width
0.063 inches
Overall Length
0.125 inches
Hole Or Slot Quantity
2
Recess Angle In Deg
15.0
Recess Depth
Between 0.080 inches and 0.090 inches
Thread Size
4.500 in.-32 ns-2a
Depth
0.031 inches
Drive Type
Slotted
Drive Facility Angular Spacing In Deg
180.0
Guide Design
Thread chamfer
Guide Location
Edge opposite drive edge
Internal Annular Serration
Not provided
Setscrew Notch
Not provided
Material
Aluminum
Material
Aluminum
Style Designator
Recessed
Surface Treatment
Anodized black
Fsc Application Data
Antenna-receiver-transmitter group, missile tracking
FSC
6650 Components And Accessories Test Equipment Optical Instruments
NIIN
008294120
NSN
6650008294120

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
16041
Cage Code:
02033
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 6650-00-829-4120
What are the manufacturers of nsn 6650008294120?
Does this nsn 6650008294120 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 6650008294120
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 6650008294120 contain any precious metals?
No precious metal content.
Does nsn 6650008294120 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 6650008294120?
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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