SK5056-N PIECE 13 .50IN

View detailed technical data, stock status, and sourcing information for: SK5056-N PIECE 13 .50IN
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-097-1544

Item Name Code

22113

Assigment Date

01/01/1961 (65 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.

0.575 inches nominal flange diameter, 0.155 inches nominal flange seat to disk end height, 0.210 inches nominal body inside diameter, 0.420 inches nominal single threaded portion thread length, 2a single threaded portion thread class

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: 0.420 inches nominal single threaded portion
Flange Diameter: 0.575 inches nominal
Body Inside Diameter: 0.210 inches nominal
Flange Seat To Disk End Height: 0.155 inches nominal
Under Flange Height: 0.420 inches nominal
Nominal Thread Size: 0.437 inches single threaded portion
Seating Surface Shape: flat
Special Features: seting surface is hexagon shaped 0.500 in. flat to flat
Material: steel corrosion resisting overall
Surface Treatment: passivate overall
Style Designator: threaded flanged
Thread Series Designator: unf single threaded portion

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-281-1008	No Name Available	10/01/1991

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
8-061-035	Valve Seat
D209-10	Valve Seat
D209-10A	Valve Seat
SK5056-N	Valve Seat
SK5056-N PIECE 13 .50IN	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-097-1544?

The FSCG of the NSN 4820-00-097-1544 is 4820

Does the NSN 4820-00-097-1544 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-097-1544 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4820-00-097-1544 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-097-1544 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 4820-00-097-1544 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961