21553-3

View detailed technical data, stock status, and sourcing information for: 21553-3
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-506-2870

Item Name Code

35224

Assigment Date

01/01/1963 (63 years ago)

0.405 inches nominal flange seat to disk end height, 0.094 inches nominal shank diameter, 0.093 inches nominal tip diameter, 1.275 inches nominal overall height, 0.684 inches nominal under flange 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: 0.094 inches nominal
Tip Diameter: 0.093 inches nominal
Overall Height: 1.275 inches nominal
Flange Seat To Disk End Height: 0.405 inches nominal
Under Flange Height: 0.684 inches nominal
Seat Angle: 45.0 degrees nominal
Material: steel corrosion resisting
Style Designator: poppet

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-01-040-3867	No Name Available	03/01/1998

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
14495-24	Valve Disk
21553-3	Valve Disk
2200-3167146PC81-2	Valve Disk
2200-3167146PC82-6	Valve Disk
KF52-743-100PC81-2SH4	Valve Disk
KF52-743-100PC82-6SH4	Valve Disk

FAQs

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

What is the FSCG of the NSN 4820-00-506-2870?

The FSCG of the NSN 4820-00-506-2870 is 4820

Does the NSN 4820-00-506-2870 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-00-506-2870 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 4820-00-506-2870 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-506-2870 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 4820-00-506-2870 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963