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3188564-5 Valve Seat

4820-01-115-4957

Specifications, compliance details, and sourcing options for this NSN. Request a quote to confirm availability, pricing, and lead time.

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Official Item Classification

Name: Valve Seat
Part Number: 3188564-5
(NSN) National Stock Number: 4820-01-115-4957
(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: 07/08/1981 (45 years ago)

0.246 inches nominal under flange height, 0.183 inches nominal flange seat to disk end height, 0.550 inches nominal flange diameter, 0.170 inches nominal body inside diameter, 0.500 inches nominal body outside diameter

Specs & Compatibility

Flange Diameter

0.550 inches nominal

Body Outside Diameter

0.500 inches nominal

Body Inside Diameter

0.170 inches nominal

Flange Seat To Disk End Height

0.183 inches nominal

Under Flange Height

0.246 inches nominal

Seating Surface Shape

flat

Material

aluminum 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
3188564-5	Valve Seat

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-115-4957?

The FSCG of the NSN 4820-01-115-4957 is 4820

Does the NSN 4820-01-115-4957 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-115-4957 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 4820-01-115-4957 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-115-4957 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 4820-01-115-4957 was assigned to the Federal Catalog?

It was assigned 45 years ago, on Wed, Jul 8, 1981