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Optical Element Retainer NSN 1240-01-157-0763

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 1240-01-157-0763 NSN: 1240-01-157-0763

Features and Characteristics

Hole Diameter
0.254 inches
Overall Length
Between 0.830 inches and 0.850 inches
Recess Diameter
0.750 inches
Recess Depth
Between 0.625 inches and 0.630 inches
Diameter
0.093 inches
Thread Size
0.906 in.-32
Drive Type
Drilled hole
Material
Steel, qq-s-763, class 303, cond a
Material
Steel comp 303
Material Specification
Qq-s-763, class 303, cond a federal specification single material response
Style Designator
Recessed
FSC
1240 Optical Sighting And Ranging Equipment
NIIN
011570763
NSN
1240011570763

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
8587415
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 1240-01-157-0763
What are the manufacturers of nsn 1240011570763?
Does this nsn 1240011570763 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 1240011570763
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 1240011570763 contain any precious metals?
No precious metal content.
Does nsn 1240011570763 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 1240011570763?
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
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