1240-00-503-7658

Find complete technical information, availability, and procurement data for: 1240-00-503-7658
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 1240-00-503-7658 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Fire Control Equipment

Federal Supply Classification

1240 Optical Sighting and Ranging Equipment

National Stock Number

1240-00-503-7658

Item Name Code

21859

Assigment Date

01/01/1963 (63 years ago)

An item consisting of a cell, optical element in which is secured one or more optical elements, such as lenses, reticles, filters, windows, and the like. May include retaining rings, spacers, and/or separators. For items with focusing facilities and/or a diopter scale, see eyepiece assembly, optical instrument.

0.600 in.-36 and 0.680 in.-48 thread size, 0.125 inches and 0.200 inches thread length, 3b and 3a thread class, 0.680 inches nominal overall diameter, 0.500 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: 3b and 3a
Thread Length: 0.125 inches and 0.200 inches
Overall Height: 0.500 inches nominal
Thread Size: 0.600 in.-36 and 0.680 in.-48
Overall Diameter: 0.680 inches nominal
Screw Thread Series Designator: uns
Drive Type: slotted face
Thread Location: internal and external
Eccentric Construction: not provided
Element Securing Method: threaded ring
Material: copper alloy 360
Fsc Application Data: telescope panoramic,m1,integrated with fire control

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
5037658	Optical Element Cell

FAQs

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

What is the FSCG of the NSN 1240-00-503-7658?

The FSCG of the NSN 1240-00-503-7658 is 1240

Does the NSN 1240-00-503-7658 have a Schedule B code assigned?

Yes, the Schedule B code is 9803200000

Does NSN 1240-00-503-7658 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 1240-00-503-7658 contain precious materials?

Precious metal content is unknown

Does NSN 1240-00-503-7658 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 1240-00-503-7658 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963