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Optical Element Retainer NSN 5855-01-172-2225

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 5855-01-172-2225 NSN: 5855-01-172-2225

Features and Characteristics

Hole Diameter
1.300 inches
Overall Length
0.190 inches
Hole Or Slot Quantity
4
Recess Diameter
1.500 inches
Recess Depth
0.040 inches
Diameter
1.500 inches
Thread Size
Aa1.500
Drive Type
Slotted
Guide Design
Thread relief
Internal Annular Serration
Not provided
Setscrew Notch
Not provided
Hole Chamfer Angle In Deg
45.0
Material
Plastic, polyphenylene oxide, mil-p-46131, type 3, class 1
Material
Plastic, polyphenylene oxide, mil-p-46131, type 3, class 1
Style Designator
Recessed
FSC
5855 Emitted And Reflected Radiation Night Vision Equipment
NIIN
011722225
NSN
5855011722225

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
13074672
Cage Code:
04939
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 9014900000
  • NAICS: 334511
  • SITC: 87412
  • Description: Parts & accessories for direction finding compasses and other navigational instruments and appliances
  • End Use (Code 22220):
    Marine engines, parts

Q & A

Frequently asked questions for NSN 5855-01-172-2225
What are the manufacturers of nsn 5855011722225?
Does this nsn 5855011722225 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5855011722225
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 5855011722225 contain any precious metals?
No precious metal content.
Does nsn 5855011722225 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5855011722225?
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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