D566-125

View detailed technical data, stock status, and sourcing information for: D566-125
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Federal Supply Group

Ship and Marine Equipment

Federal Supply Classification

2040 Marine Hardware and Hull Items

National Stock Number

2040-00-896-9464

Item Name Code

77777

Assigment Date

01/01/1962 (64 years ago)

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.

2040-00-896-9464, head prism mount

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
D566-125	Head Prism Mount

FAQs

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

What is the FSCG of the NSN 2040-00-896-9464?

The FSCG of the NSN 2040-00-896-9464 is 2040

Does NSN 2040-00-896-9464 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 2040-00-896-9464 contain precious materials?

Precious metal content is unknown

Does NSN 2040-00-896-9464 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 2040-00-896-9464 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962