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Optical Element Retainer NSN 1240-01-204-5983

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 1240-01-204-5983 NSN: 1240-01-204-5983

Features and Characteristics

Hole Diameter
0.740 inches
Overall Length
0.180 inches
Thread Size
0.906 in.-32
Guide Design
Thread chamfer
Internal Annular Serration
Not provided
Setscrew Notch
Not provided
Material
Aluminum alloy, qq-a-225/6
Material
Aluminum alloy 2024
Material Specification
Qq-a-225/6 federal specification single material response
FSC
1240 Optical Sighting And Ranging Equipment
NIIN
012045983
NSN
1240012045983

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
8587344
Cage Code:
19200
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 9803200000
  • NAICS: 990000
  • SITC: 93100
  • Description: Military equipments not identified by kind
  • End Use (Code 50060):
    Military apparel and footwear

Q & A

Frequently asked questions for NSN 1240-01-204-5983
What are the manufacturers of nsn 1240012045983?
Does this nsn 1240012045983 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 1240012045983
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 1240012045983 contain any precious metals?
No precious metal content.
Does nsn 1240012045983 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 1240012045983?
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
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