4820-01-442-9939

Find complete technical information, availability, and procurement data for: 4820-01-442-9939
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-442-9939

Item Name Code

35224

Assigment Date

03/28/1997 (29 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

1.594 inches nominal overall height, 1.625 inches nominal outside diameter, plug style designator, zzzy criticality code justification, 1250.0 pounds per square inch nominal pressure rating

Product Characteristics

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

Outside Diameter: 1.625 inches nominal
Overall Height: 1.594 inches nominal
Pressure Rating: 1250.0 pounds per square inch nominal
Criticality Code Justification: zzzy
Style Designator: plug
Reference Number Differentiating Characteristics: quality control iaw navships 0948-045-7010 material identification and control instruction for level 1 items

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
803-6397434-X51XX-047	Valve Disk
803-6397434-X51XX-047L1	Valve Disk

FAQs

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

What is the FSCG of the NSN 4820-01-442-9939?

The FSCG of the NSN 4820-01-442-9939 is 4820

Does the NSN 4820-01-442-9939 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-442-9939 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 4820-01-442-9939 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-442-9939 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 4820-01-442-9939 was assigned to the Federal Catalog?

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