4820-01-216-2712

Find complete technical information, availability, and procurement data for: 4820-01-216-2712
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-216-2712

Item Name Code

22113

Assigment Date

09/07/1985 (40 years ago)

An optical system consisting of two or more lenses secured within a cylindrical sleeve. It is the component of an optical instrument nearest the eye of the observer when sighting. The distance between lenses is maintained by an optical element spacer. It usually has focusing facilities and may include a reticle, filter, and/or diopter scale.

0.554 inches nominal flange diameter, 0.454 inches nominal body outside diameter, 0.057 inches nominal flange seat to disk end height, 0.410 inches nominal body inside diameter, 0.084 inches nominal under flange height

Product Characteristics

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

Flange Diameter: 0.554 inches nominal
Body Outside Diameter: 0.454 inches nominal
Body Inside Diameter: 0.410 inches nominal
Flange Seat To Disk End Height: 0.057 inches nominal
Under Flange Height: 0.084 inches nominal
Seating Surface Shape: flat
Material: plastic polytetrafluoroethylene overall
Style Designator: plain flanged

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
21607A	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-216-2712?

The FSCG of the NSN 4820-01-216-2712 is 4820

Does the NSN 4820-01-216-2712 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-216-2712 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 4820-01-216-2712 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-216-2712 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 4820-01-216-2712 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Sat, Sep 7, 1985