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4820-01-436-4797

Check Valve

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Official Item Classification

Name
Check Valve
(NSN) National Stock Number
4820-01-436-4797
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
05487
(FIIG) Federal Item Identification Guide
A530B0
Date
09/20/1996 (30 years ago)

right-hand all ends thread direction, automatic valve operation method, strategic sealift conversion ships class end item identification, external seat for gasket seal (boss) all ends connection style, spring disk loading method

Specs & Compatibility

Thread Direction

right-hand all ends

Disk Loading Method

spring

End Item Identification

strategic sealift conversion ships class

Connection Style

external seat for gasket seal (boss) all ends

Valve Operation Method

automatic

Connection Type

threaded external boss all ends

Mounting Position

horizontal or vertical

Nominal Thread Size

0.562 inches all ends

Opening Pressure Setting

5.0 pounds per square inch

Style Designator

straight thru

Thread Series Designator

unf all ends

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

0005487

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Frequently Asked Questions

What is the FSCG of the NSN 4820-01-436-4797?
The FSCG of the NSN 4820-01-436-4797 is 4820
Does NSN 4820-01-436-4797 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 4820-01-436-4797 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-436-4797 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 4820-01-436-4797 was assigned to the Federal Catalog?
It was assigned 30 years ago, on Fri, Sep 20, 1996