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Optical Element Retainer NSN 5855-00-427-7848

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 5855-00-427-7848 NSN: 5855-00-427-7848

Features and Characteristics

Shoulder Diameter
3.237 inches
Shoulder Length
0.026 inches
Hole Diameter
3.001 inches
Overall Length
0.036 inches
Flange Diameter
3.372 inches
Guide Design
Thread chamfer
Guide Location
Shoulder
Internal Annular Serration
Not provided
Setscrew Notch
Not provided
Material
Brass
Material
Copper alloy
Special Test Features
Interpret drawing iaw mil-d-1000; finish 3.2 of mil-std-171; identify per mil-m-13231
Style Designator
Shouldered
Supplementary Features
Dimensional limits and surface roughness designation apply after finish
Fsc Application Data
Night vision equipment, emitted and reflected radiation
FSC
5855 Emitted And Reflected Radiation Night Vision Equipment
NIIN
004277848
NSN
5855004277848

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
SC-C-647359
Cage Code:
21530
Status:
A
MSDS:
Part Number:
501-2543-201
Cage Code:
27777
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 5855-00-427-7848
What are the manufacturers of nsn 5855004277848?
Does this nsn 5855004277848 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5855004277848
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 5855004277848 contain any precious metals?
No precious metal content.
Does nsn 5855004277848 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5855004277848?
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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