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1663-D 2IN PC17 Valve Seat

4820-01-464-5478

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Official Item Classification

Name
Valve Seat
Part Number
1663-D 2IN PC17
(NSN) National Stock Number
4820-01-464-5478
(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
05/04/1999 (27 years ago)

0.375 inches nominal under flange height, 1.656 inches nominal body inside diameter, w/s code nimitz class cvn end item identification, 2.125 inches nominal flange diameter, 0.750 inches nominal flange seat to disk end height

Specs & Compatibility

Flange Diameter

2.125 inches nominal

Body Inside Diameter

1.656 inches nominal

End Item Identification

w/s code nimitz class cvn

Flange Seat To Disk End Height

0.750 inches nominal

Under Flange Height

0.375 inches nominal

Seating Surface Shape

flat

Special Features

nha valve temp re

Material

copper alloy seat

Style Designator

threaded 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
1663-D 2IN PC17 Valve Seat
3280-02 Valve Seat

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-464-5478?
The FSCG of the NSN 4820-01-464-5478 is 4820
Does the NSN 4820-01-464-5478 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-01-464-5478 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 4820-01-464-5478 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-464-5478 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 4820-01-464-5478 was assigned to the Federal Catalog?
It was assigned 27 years ago, on Tue, May 4, 1999