4820-01-418-4091

Find complete technical information, availability, and procurement data for: 4820-01-418-4091
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-418-4091

Item Name Code

35224

Assigment Date

08/25/1995 (30 years ago)

An item usually metallic, threaded or unthreaded, used for securing to or positioning into a mating part. It is designed to be used in a globe, relief, regulator valve and the like as a means of controlling the flow of liquids or gases in a given system. One end may have an integral disk or be designed to accommodate a metallic or nonmetallic disk. The other end is designed for a handwheel, lever, spring, diaphragm and the like for nonpowered operation or to accommodate a gear, solenoid, air motor and the like for powered operation. The handwheel and/or disk may be furnished with the item. Excludes:stem, faucet; and stem, needle valve.

0.374 inches nominal shank diameter, seawolf class ssn end item identification, 3.450 inches nominal overall height, 2.375 inches nominal outside diameter, 3.260 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.

Shank Diameter: 0.374 inches nominal
Outside Diameter: 2.375 inches nominal
Overall Height: 3.450 inches nominal
End Item Identification: seawolf class ssn
Flange Seat To Disk End Height: 3.260 inches nominal
Seat Angle: 45.0 degrees nominal
Special Features: shank end threaded 0.312-18unc-2a
Material: steel comp 304
Material Document And Classification: qq-s-763, class 304, cond a fed spec single material response
Style Designator: poppet

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
218013532	Valve Disk
556-6406597-MRFH-A23	Valve Disk
556-6406597-MRFH-B23	Valve Disk
C791-5701 FIND MRFH-A23	Valve Disk
DF2300-4660 FIND MRFH-A23	Valve Disk

FAQs

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

What is the FSCG of the NSN 4820-01-418-4091?

The FSCG of the NSN 4820-01-418-4091 is 4820

Does the NSN 4820-01-418-4091 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-418-4091 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 4820-01-418-4091 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-418-4091 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 4820-01-418-4091 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Fri, Aug 25, 1995