4820-01-441-9749

Find complete technical information, availability, and procurement data for: 4820-01-441-9749
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-441-9749

Item Name Code

22113

Assigment Date

02/28/1997 (29 years ago)

An item consisting of one or more definite lengths of straight or formed, flexible or rigid, prefabricated hollow tubing of conductive material. The tubing has a predetermined cross section and is designed to guide or conduct high frequency electromagnetic energy through its interior. One or more ends are terminated. May include common mounting of a switch, wave guide, a dummy load, electrical and other components such as waveguide section, cable terminal chamber and the like. Excludes:coupler,rotary,radio frequency; coupler, directional; adapter,waveguide; and tuner, waveguide.

3.307 inches nominal body outside diameter, 2.380 inches nominal body inside diameter, 3.557 inches nominal flange diameter, los angeles class ssn (688) end item identification, 0.155 inches nominal flange seat to disk end 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: 3.557 inches nominal
Body Outside Diameter: 3.307 inches nominal
Body Inside Diameter: 2.380 inches nominal
End Item Identification: los angeles class ssn (688)
Flange Seat To Disk End Height: 0.155 inches nominal
Under Flange Height: 0.285 inches nominal
Seat Angle In Deg: 35.000 maximum
Seating Surface Shape: angular
Material: plastic polytetrafluoroethylene seat
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
803-5001003-X7XX-123	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-441-9749?

The FSCG of the NSN 4820-01-441-9749 is 4820

Does the NSN 4820-01-441-9749 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-441-9749 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 4820-01-441-9749 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-441-9749 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 4820-01-441-9749 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Fri, Feb 28, 1997