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Optical Element Cell NSN 1240-00-503-9490

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 1240-00-503-9490 NSN: 1240-00-503-9490

Features and Characteristics

Thread Class
3b
Thread Pitch Diameters
+0.7765 to 0.7797 inches
Thread Direction
Right-hand
Thread Length
0.365 inches
Overall Width
0.365 inches
Thread Size
79/100-48
Overall Diameter
0.936 inches
Screw Thread Series Designator
Uns
Drive Type
Slotted face
Thread Location
Internal
Eccentric Construction
Provided
Chamfer Location
No chamfer
Special Features
Saw slot 0.03 in. X 0.03 in.
Material
Aluminum alloy, ww-t-700/3, alloy 2024, t3
Material
Aluminum alloy 2024
Surface Treatment
Anodized, mil-a-8625, type 2, class 2
FSC
1240 Optical Sighting And Ranging Equipment
NIIN
005039490
NSN
1240005039490

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
5039490
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 1240-00-503-9490
What are the manufacturers of nsn 1240005039490?
Does this nsn 1240005039490 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 1240005039490
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 1240005039490 contain any precious metals?
No precious metal content.
Does nsn 1240005039490 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 1240005039490?
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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