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Optical Element Cell NSN 1240-00-159-0513

Item Description

A cylindrical item specifically designed to hold a lens, reticle, or window in an optical system. Includes eccentric cells and/or rings designed to be rotated within the instrument to shift an optical element to a prescribed position.

NSN 1240-00-159-0513 NSN: 1240-00-159-0513

Features and Characteristics

Thread Class
2a and 2b
Thread Direction
Right-hand and right-hand
Thread Length
0.563 inches and 0.343 inches
Overall Length
0.968 inches
Thread Size
1 3/4-32 and 1 1/2-32
Overall Diameter
1.750 inches
End Application
Gun sight mk29 mod1
Screw Thread Series Designator
Uns and uns
Drive Type
Slotted face
Thread Location
External and internal
Eccentric Construction
Not provided
Chamfer Location
Drive end
Element Securing Method
Internal thread
Material
Aluminum alloy
Material
Aluminum alloy
Surface Treatment
Anodized
FSC
1240 Optical Sighting And Ranging Equipment
NIIN
001590513
NSN
1240001590513

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
654768
Cage Code:
10001
Status:
A
MSDS:
Part Number:
265606
Cage Code:
56232
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 1240-00-159-0513
What are the manufacturers of nsn 1240001590513?
Does this nsn 1240001590513 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 1240001590513
A cylindrical item specifically designed to hold a lens, reticle, or window in an optical system. includes eccentric cells and/or rings designed to be rotated within the instrument to shift an optical element to a prescribed position.
Does nsn 1240001590513 contain any precious metals?
No precious metal content.
Does nsn 1240001590513 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 1240001590513?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
21859
FIIG:
T271-J
App. Key:
JB
Cond. Code:
2
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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