FV-21-227

View detailed technical data, stock status, and sourcing information for: FV-21-227
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Federal Supply Group

Valves

Federal Supply Classification

4810 Powered Valves

National Stock Number

4810-00-633-6945

Item Name Code

22113

Assigment Date

01/01/1963 (63 years ago)

0.167 inches minimum and 0.177 inches maximum flange seat to disk end height, 0.406 inches nominal under flange height, 0.688 inches nominal flange diameter, 2a single threaded portion thread class, 0.297 inches nominal single threaded portion thread length

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: 0.297 inches nominal single threaded portion
Flange Diameter: 0.688 inches nominal
Flange Seat To Disk End Height: 0.167 inches minimum and 0.177 inches maximum
Under Flange Height: 0.406 inches nominal
Seal Accommodation Type: grooved
Nominal Thread Size: 0.625 inches single threaded portion
Seating Surface Shape: flat
Body Stepped Inside Diameter: 0.188 inches nominal first step
Body Stepped Inside Diameter: 0.253 inches nominal second step
Material: steel overall
Style Designator: threaded flanged
Thread Series Designator: unf single threaded portion

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
FV-21-227	Valve Seat

FAQs

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

What is the FSCG of the NSN 4810-00-633-6945?

The FSCG of the NSN 4810-00-633-6945 is 4810

Does the NSN 4810-00-633-6945 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4810-00-633-6945 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 4810-00-633-6945 contain precious materials?

Precious metal content is unknown

Does NSN 4810-00-633-6945 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 4810-00-633-6945 was assigned to the Federal Catalog?

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