1240-00-504-3921

Find complete technical information, availability, and procurement data for: 1240-00-504-3921

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1240-00-504-3921
Federal Supply Group
Fire Control Equipment
Federal Supply Classification
1240 Optical Sighting and Ranging Equipment
National Stock Number
1240-00-504-3921
Item Name Code
21859
Assigment Date
01/01/1963 (63 years ago)

0.110 inches thread length, 0.743 inches nominal overall diameter, 0.743-48 thread size, 3a thread class, 0.580 inches nominal overall height

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
3a
Thread Length
0.110 inches
Overall Height
0.580 inches nominal
Thread Size
0.743-48
Overall Diameter
0.743 inches nominal
Screw Thread Series Designator
uns
Thread Location
external
Eccentric Construction
not provided
Element Securing Method
threaded ring
Material
aluminum alloy 2024
Fsc Application Data
circle,aimong,m1,antiaircraft fire control equipment

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
5043921 Optical Element Cell

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 1240-00-504-3921?
The FSCG of the NSN 1240-00-504-3921 is 1240
Does the NSN 1240-00-504-3921 have a Schedule B code assigned?
Yes, the Schedule B code is 9803200000
Does NSN 1240-00-504-3921 require demilitarization?
Usml or ccl military items - demil required. Destroy item and components to prevent restoration or repair to a usable condition. (note 5).
Does NSN 1240-00-504-3921 contain precious materials?
Item does not contain precious metal.
Does NSN 1240-00-504-3921 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 1240-00-504-3921 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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