6800-121

View detailed technical data, stock status, and sourcing information for: 6800-121
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Federal Supply Group

Instruments and Laboratory Equipment

Federal Supply Classification

6650 Components and Accessories Test Equipment Optical Instruments

National Stock Number

6650-00-133-5020

Item Name Code

21859

Assigment Date

12/26/1968 (57 years ago)

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.

3.326 inches nominal overall diameter, 2b thread class, 2.000 in.-16 thread size, 0.563 inches thread length, 6.035 inches nominal overall length

Product Characteristics

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

Thread Class: 2b
Thread Length: 0.563 inches
Overall Length: 6.035 inches nominal
Thread Size: 2.000 in.-16
Overall Diameter: 3.326 inches nominal
Screw Thread Series Designator: unef
Thread Location: internal
Eccentric Construction: not provided
Chamfer Location: both ends
Chamfer Size: 1/32 in.by 45 deg
Material: aluminum alloy 514.0
Material Document And Classification: qq-a-601 fed spec single material response
Surface Treatment: anodize

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
6800-121	Optical Element Cell

FAQs

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

What is the FSCG of the NSN 6650-00-133-5020?

The FSCG of the NSN 6650-00-133-5020 is 6650

Does the NSN 6650-00-133-5020 have a Schedule B code assigned?

Yes, the Schedule B code is 9018500000

Does NSN 6650-00-133-5020 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 6650-00-133-5020 contain precious materials?

Item does not contain precious metal.

Does NSN 6650-00-133-5020 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 6650-00-133-5020 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Thu, Dec 26, 1968