4820-01-063-5841

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Valve Seat

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Official Item Classification

Name: Valve Seat
(NSN) National Stock Number: 4820-01-063-5841
(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: 08/09/1978 (48 years ago)

45.000 nominal seat angle in deg, 0.500 inches nominal overall height, 0.280 inches nominal single threaded portion thread length, 3a single threaded portion thread class, 2.062 inches nominal body inside diameter

Specs & Compatibility

Thread Class

3a single threaded portion

Thread Length

0.280 inches nominal single threaded portion

Overall Height

0.500 inches nominal

Body Inside Diameter

2.062 inches nominal

Seat Angle In Deg

45.000 nominal

Thread Quantity Per Inch

18 single threaded portion

Nominal Thread Size

2.625 inches single threaded portion

Seating Surface Shape

angular

Material

nickel alloy overall

Material Document And Classification

qq-n-288 fed spec single material response overall

Style Designator

plain threaded

Thread Series Designator

uns single threaded portion

Regulatory Compliance

Precious Metals Indicator

Precious metal content is unknown

Criticality Code

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

Hazardous Metals Indicator

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

Pseudo Item Name Code

0022113

Related Hardware Products

Part Number	Description
048090 PIECE 16 2IN	Valve Seat
71550 PIECE 16	Valve Seat
B-114928	Valve Seat

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-063-5841?

The FSCG of the NSN 4820-01-063-5841 is 4820

Does the NSN 4820-01-063-5841 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-063-5841 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 4820-01-063-5841 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-063-5841 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 4820-01-063-5841 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Wed, Aug 9, 1978