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Optical Element Retainer NSN 1240-01-126-8569

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 1240-01-126-8569 NSN: 1240-01-126-8569

Features and Characteristics

Shoulder Diameter
1.247 inches
Shoulder Length
0.040 inches
Hole Diameter
1.125 inches
Width
0.093 inches
Overall Length
0.160 inches
Hole Or Slot Quantity
4
Depth
0.060 inches
Drive Type
Slotted
Drive Facility Angular Spacing In Deg
90.0
Radius From Geometric Axis To Hole Center
0.614 inches
Guide Design
Thread relief
Internal Annular Serration
Not provided
Setscrew Notch
Not provided
Flange Thread Size
1.375 in.-32
Material
Aluminum alloy 6061
Material Specification
Ww-t-700/6, alloy 6061, t6 federal specification single material response
Surface Treatment
Anodize
Style Designator
Shouldered
FSC
1240 Optical Sighting And Ranging Equipment
NIIN
011268569
NSN
1240011268569

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
13040140
Cage Code:
18876
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 1240-01-126-8569
What are the manufacturers of nsn 1240011268569?
Does this nsn 1240011268569 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 1240011268569
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 1240011268569 contain any precious metals?
No precious metal content.
Does nsn 1240011268569 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 1240011268569?
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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