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Optical Element Retainer NSN 1240-00-550-0609

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 1240-00-550-0609 NSN: 1240-00-550-0609

Features and Characteristics

Hole Diameter
0.370 inches
Width
0.060 inches
Overall Length
0.120 inches
Hole Or Slot Quantity
2
Thread Size
0.500 in. -32ns-2a
Depth
0.040 inches
Drive Type
Slotted
Drive Facility Angular Spacing In Deg
180.0
Internal Annular Serration
Not provided
Setscrew Notch
Not provided
Material
Aluminum alloy, qq-a-225/6, t4
Material
Aluminum alloy 2024
Material Specification
Qq-a-225/6, t4 federal specification single material response
Surface Treatment
Anodize
Surface Treatment
Anodized, mil-a-8625, type 2
FSC
1240 Optical Sighting And Ranging Equipment
NIIN
005500609
NSN
1240005500609

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
710-1342
Cage Code:
16735
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 1240-00-550-0609
What are the manufacturers of nsn 1240005500609?
Does this nsn 1240005500609 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 1240005500609
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 1240005500609 contain any precious metals?
No precious metal content.
Does nsn 1240005500609 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 1240005500609?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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