4820-01-005-6157

Find complete technical information, availability, and procurement data for: 4820-01-005-6157
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-005-6157

Item Name Code

22113

Assigment Date

06/30/1975 (51 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.

2a single threaded portion thread class, 0.290 inches nominal body inside diameter, 0.125 inches nominal flange seat to disk end height, 0.188 inches nominal single threaded portion thread length, 0.563 inches nominal flange diameter

Product Characteristics

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

Thread Class: 2a single threaded portion
Thread Length: 0.188 inches nominal single threaded portion
Flange Diameter: 0.563 inches nominal
Body Inside Diameter: 0.290 inches nominal
Flange Seat To Disk End Height: 0.125 inches nominal
Under Flange Height: 0.250 inches nominal
Thread Quantity Per Inch: 24 single threaded portion
Nominal Thread Size: 0.500 inches single threaded portion
Seating Surface Shape: flat
Special Features: four internal groups evenly spaced
Material: nickel or copper alloy overall
Style Designator: faucet
Thread Series Designator: uns single threaded portion

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4810-00-290-4012	No Name Available	07/01/1991

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
081935	Valve Seat
8193SG1M	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-005-6157?

The FSCG of the NSN 4820-01-005-6157 is 4820

Does the NSN 4820-01-005-6157 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-005-6157 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 4820-01-005-6157 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-005-6157 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 4820-01-005-6157 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Mon, Jun 30, 1975