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4820-01-531-0579

Valve Seat

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Official Item Classification

Name
Valve Seat
(NSN) National Stock Number
4820-01-531-0579
(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
06/21/2005 (21 years ago)

0.240 inches nominal overall height, 0.345 nominal seat angle in deg, angular seating surface shape, 2.663 inches nominal body outside diameter, 2.500 inches nominal body inside diameter

Specs & Compatibility

Overall Height

0.240 inches nominal

Body Outside Diameter

2.663 inches nominal

Body Inside Diameter

2.500 inches nominal

Seat Angle In Deg

0.345 nominal

Seating Surface Shape

angular

Part Name Assigned By Controlling Agency

seat

Material

plastic polytetrafluoroethylene seat

Style Designator

plain

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.

Pseudo Item Name Code

0022113

Related Hardware Products

Part Number Description
HBV-F3-24-0002 Valve Seat
HBV-F3-24-0002ITEM6 Valve Seat

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-531-0579?
The FSCG of the NSN 4820-01-531-0579 is 4820
Does the NSN 4820-01-531-0579 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-01-531-0579 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 4820-01-531-0579 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-531-0579 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 4820-01-531-0579 was assigned to the Federal Catalog?
It was assigned 21 years ago, on Tue, Jun 21, 2005