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4820-00-587-9918

Valve Seat

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Official Item Classification

Name
Valve Seat
(NSN) National Stock Number
4820-00-587-9918
(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
01/01/1961 (65 years ago)

0.750 inches nominal flange seat to disk end height, 1.187 inches nominal body inside diameter, 2.062 inches nominal flange diameter, 1.748 inches nominal body outside diameter, 0.250 inches nominal under flange height

Specs & Compatibility

Flange Diameter

2.062 inches nominal

Body Outside Diameter

1.748 inches nominal

Body Inside Diameter

1.187 inches nominal

Flange Seat To Disk End Height

0.750 inches nominal

Under Flange Height

0.250 inches nominal

Seat Angle In Deg

45.000 nominal

Seating Surface Shape

angular

Material

steel comp 416 overall

Style Designator

plain flanged

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

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

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MAI 587-9918 Valve Seat
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Frequently Asked Questions

What is the FSCG of the NSN 4820-00-587-9918?
The FSCG of the NSN 4820-00-587-9918 is 4820
Does the NSN 4820-00-587-9918 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-00-587-9918 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 4820-00-587-9918 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-587-9918 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 4820-00-587-9918 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961