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Optical Element Retainer NSN 1240-00-228-1632

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 1240-00-228-1632 NSN: 1240-00-228-1632

Features and Characteristics

Hole Diameter
Between 2.062 inches and 2.072 inches
Overall Length
Between 0.125 inches and 0.156 inches
Hole Or Slot Quantity
2
Recess Diameter
Between 3.687 inches and 3.692 inches
Recess Depth
Between 0.112 inches and 0.114 inches
Diameter
0.094 inches
Thread Size
4.125 in.-32uns-3a
Depth
0.094 inches
Drive Type
Drilled hole
Drive Facility Angular Spacing In Deg
180.0
Radius From Geometric Axis To Hole Center
1.938 inches
Guide Design
Thread chamfer
Guide Location
Both edges
Internal Annular Serration
Not provided
Setscrew Notch
Not provided
Material
Steel, qq-s-764, type 416, cond a-canceled
Material
Steel comp 416
Style Designator
Recessed
Surface Treatment
Passivated, qq-p-35
Fsc Application Data
Telescope, panoramic m117
FSC
1240 Optical Sighting And Ranging Equipment
NIIN
002281632
NSN
1240002281632

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
7660466
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 1240-00-228-1632
What are the manufacturers of nsn 1240002281632?
Does this nsn 1240002281632 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 1240002281632
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 1240002281632 contain any precious metals?
Precious metal content is unknown.
Does nsn 1240002281632 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 1240002281632?
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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