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4820-00-761-9031

Valve Seat

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Official Item Classification

Name
Valve Seat
(NSN) National Stock Number
4820-00-761-9031
(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
01/01/1962 (64 years ago)

0.845 inches minimum and 0.849 inches maximum body inside diameter, 2.375 inches nominal flange diameter, 0.194 inches minimum and 0.200 inches maximum seat radius, 1.838 inches minimum and 1.848 inches maximum body outside diameter, 0.248 inches minimum and 0.252 inches maximum flange seat to disk end height

Specs & Compatibility

Flange Diameter

2.375 inches nominal

Body Outside Diameter

1.838 inches minimum and 1.848 inches maximum

Body Inside Diameter

0.845 inches minimum and 0.849 inches maximum

Seat Radius

0.194 inches minimum and 0.200 inches maximum

Flange Seat To Disk End Height

0.248 inches minimum and 0.252 inches maximum

Under Flange Height

0.495 inches minimum and 0.505 inches maximum

Seating Surface Shape

radial

Material

cobalt alloy face

Material

steel body

Material Document And Classification

mil-r-17131,type mil-rcocr-a mil spec single material response face

Style Designator

plain flanged

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
101B209DR2 Valve Seat
101B209DRPC2 Valve Seat

Frequently Asked Questions

What is the FSCG of the NSN 4820-00-761-9031?
The FSCG of the NSN 4820-00-761-9031 is 4820
Does the NSN 4820-00-761-9031 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-00-761-9031 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 4820-00-761-9031 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-00-761-9031 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 4820-00-761-9031 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962