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4820-00-243-9540

Valve Seat

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Official Item Classification

Name
Valve Seat
(NSN) National Stock Number
4820-00-243-9540
(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
12/28/1971 (54 years ago)

1.410 inches nominal overall height, 3.990 inches nominal body outside diameter, 35.000 nominal seat angle in deg, grooved seal accommodation type, 2.625 inches nominal body inside diameter

Specs & Compatibility

Overall Height

1.410 inches nominal

Body Outside Diameter

3.990 inches nominal

Body Inside Diameter

2.625 inches nominal

Seat Angle In Deg

35.000 nominal

Seal Accommodation Type

grooved

Seating Surface Shape

angular

Material

plastic seat

Material

steel corrosion resisting body

Style Designator

plain

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

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Frequently Asked Questions

What is the FSCG of the NSN 4820-00-243-9540?
The FSCG of the NSN 4820-00-243-9540 is 4820
Does the NSN 4820-00-243-9540 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-00-243-9540 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 4820-00-243-9540 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-243-9540 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 4820-00-243-9540 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Tue, Dec 28, 1971