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4820-01-131-2452

Valve Seat

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Official Item Classification

Name
Valve Seat
(NSN) National Stock Number
4820-01-131-2452
(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
05/06/1982 (44 years ago)

0.056 inches nominal flange seat to disk end height, 0.750 inches nominal body outside diameter, 0.146 inches nominal under flange height, 0.812 inches nominal flange diameter, 0.160 inches nominal body inside diameter

Specs & Compatibility

Flange Diameter

0.812 inches nominal

Body Outside Diameter

0.750 inches nominal

Body Inside Diameter

0.160 inches nominal

Flange Seat To Disk End Height

0.056 inches nominal

Under Flange Height

0.146 inches nominal

Seat Angle In Deg

75.000 nominal

Seating Surface Shape

angular

Material

nickel alloy overall

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

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Frequently Asked Questions

What is the FSCG of the NSN 4820-01-131-2452?
The FSCG of the NSN 4820-01-131-2452 is 4820
Does the NSN 4820-01-131-2452 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-01-131-2452 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 4820-01-131-2452 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-131-2452 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 4820-01-131-2452 was assigned to the Federal Catalog?
It was assigned 44 years ago, on Thu, May 6, 1982