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4820-01-151-8959

Valve Seat

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Official Item Classification

Name
Valve Seat
(NSN) National Stock Number
4820-01-151-8959
(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
04/23/1983 (43 years ago)

4.880 inches nominal body inside diameter, 5.600 inches nominal body outside diameter, 5.978 inches nominal flange diameter, 0.500 inches nominal under flange height, 0.625 inches nominal flange seat to disk end height

Specs & Compatibility

Flange Diameter

5.978 inches nominal

Body Outside Diameter

5.600 inches nominal

Body Inside Diameter

4.880 inches nominal

Flange Seat To Disk End Height

0.625 inches nominal

Under Flange Height

0.500 inches nominal

Seat Angle In Deg

28.000 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

Related Hardware Products

Part Number Description
AA39968 PIECE 28 Valve Seat
D35894 Valve Seat
D35894MFE Valve Seat

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-151-8959?
The FSCG of the NSN 4820-01-151-8959 is 4820
Does the NSN 4820-01-151-8959 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-01-151-8959 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 4820-01-151-8959 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-151-8959 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 4820-01-151-8959 was assigned to the Federal Catalog?
It was assigned 43 years ago, on Sat, Apr 23, 1983