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4820-01-063-3766

Valve Seat

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Official Item Classification

Name
Valve Seat
(NSN) National Stock Number
4820-01-063-3766
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
22113
(FIIG) Federal Item Identification Guide
A15500
Date
08/04/1978 (48 years ago)

0.687 inches nominal body inside diameter, 1.123 inches nominal body outside diameter, 2.310 inches nominal flange diameter, 0.625 inches nominal single threaded portion thread length, 2b single threaded portion thread class

Specs & Compatibility

Thread Class

2b single threaded portion

Thread Length

0.625 inches nominal single threaded portion

Flange Diameter

2.310 inches nominal

Body Outside Diameter

1.123 inches nominal

Body Inside Diameter

0.687 inches nominal

Flange Seat To Disk End Height

0.405 inches nominal

Under Flange Height

0.626 inches nominal

Nominal Thread Size

0.750 inches single threaded portion

Seating Surface Shape

flat

Special Features

16 holes 0.234 in. dia equally spaced thru face of flange,one groove 0.123 in. wide 0.125 in. deep on outer periphery of flange and body

Material

steel comp 303 overall

Style Designator

plain flanged

Thread Series Designator

unf single threaded portion

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Source of Supply Code

SMS

Pseudo Item Name Code

0022113

Related Hardware Products

Part Number Description
19320A Valve Seat

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-063-3766?
The FSCG of the NSN 4820-01-063-3766 is 4820
Does the NSN 4820-01-063-3766 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-01-063-3766 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 4820-01-063-3766 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-063-3766 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 4820-01-063-3766 was assigned to the Federal Catalog?
It was assigned 48 years ago, on Fri, Aug 4, 1978