8563-34

View detailed technical data, stock status, and sourcing information for: 8563-34
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-858-6656

Item Name Code

22113

Assigment Date

01/01/1962 (64 years ago)

1.250 inches nominal overall height, 1.000 inches nominal single threaded portion thread length, 2a single threaded portion thread class, 45.000 nominal seat angle in deg, 0.751 inches nominal body inside 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: 1.000 inches nominal single threaded portion
Overall Height: 1.250 inches nominal
Body Inside Diameter: 0.751 inches nominal
Seat Angle In Deg: 45.000 nominal
Thread Quantity Per Inch: 18 single threaded portion
Nominal Thread Size: 1.125 inches single threaded portion
Seating Surface Shape: angular
Material: steel corrosion resisting overall
Style Designator: plain threaded
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Below is a list of NSNs that have been officially superseded by this NSN: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
4820-00-073-0531	No Name Available	09/01/1982
4820-00-885-6116	No Name Available	03/03/1967

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
20028PC4	Valve Seat
8562-16	Valve Seat
8563-34	Valve Seat
A7410-001-156	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-00-858-6656?

The FSCG of the NSN 4820-00-858-6656 is 4820

Does the NSN 4820-00-858-6656 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-858-6656 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 4820-00-858-6656 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-858-6656 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 4820-00-858-6656 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962