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4820-01-204-8451

Restrictor Plate

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Official Item Classification

Name
Restrictor Plate
(NSN) National Stock Number
4820-01-204-8451
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
77777
(FIIG) Federal Item Identification Guide
A23900
Date
03/30/1985 (41 years ago)

cast nickel copper qq-n-288 comp e;o/a od 12.368 in.;id 9.438 in.;concave to a 0.500 in. radius;1.000 in. thick;58 holes 1.062 in. dia symmetrical about centerline in three different detail patterns;media seawater general characteristics item description

Specs & Compatibility

General Characteristics Item Description

cast nickel copper qq-n-288 comp e;o/a od 12.368 in.;id 9.438 in.;concave to a 0.500 in. radius;1.000 in. thick;58 holes 1.062 in. dia symmetrical about centerline in three different detail patterns;media seawater

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

1429798

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Frequently Asked Questions

What is the FSCG of the NSN 4820-01-204-8451?
The FSCG of the NSN 4820-01-204-8451 is 4820
Does the NSN 4820-01-204-8451 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-01-204-8451 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 4820-01-204-8451 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-204-8451 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 4820-01-204-8451 was assigned to the Federal Catalog?
It was assigned 41 years ago, on Sat, Mar 30, 1985