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4820-00-008-9934

Valve Seat

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Official Item Classification

Name
Valve Seat
(NSN) National Stock Number
4820-00-008-9934
(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
07/23/1972 (54 years ago)

0.221 inches nominal single threaded portion thread length, 2a single threaded portion thread class, 0.219 inches nominal flange seat to disk end height, 1.510 inches minimum and 1.515 inches maximum body inside diameter, 1.940 inches nominal flange diameter

Specs & Compatibility

Thread Class

2a single threaded portion

Thread Length

0.221 inches nominal single threaded portion

Flange Diameter

1.940 inches nominal

Body Inside Diameter

1.510 inches minimum and 1.515 inches maximum

Flange Seat To Disk End Height

0.219 inches nominal

Under Flange Height

0.221 inches nominal

Seat Angle In Deg

0.083 nominal

Nominal Thread Size

1.375 inches single threaded portion

Seating Surface Shape

angular

Material

copper overall

Style Designator

threaded 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

S9C

Pseudo Item Name Code

0022113

Related Hardware Products

Part Number Description
39580 Valve Seat

Frequently Asked Questions

What is the FSCG of the NSN 4820-00-008-9934?
The FSCG of the NSN 4820-00-008-9934 is 4820
Does the NSN 4820-00-008-9934 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-00-008-9934 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 4820-00-008-9934 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-00-008-9934 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 4820-00-008-9934 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Sun, Jul 23, 1972