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4820-00-446-3409

Check Valve

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Official Item Classification

Name
Check Valve
(NSN) National Stock Number
4820-00-446-3409
(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
01/01/1963 (63 years ago)

disk flow control device, 3a 1st end thread class, right-hand all ends thread direction, 160.0 fahrenheit single response maximum operating temp, external seat for gasket seal (boss) 1st end connection style

Specs & Compatibility

Thread Class

3a 1st end

Thread Direction

right-hand all ends

Flow Control Device

disk

Maximum Operating Temp

160.0 fahrenheit single response

Connection Style

external seat for gasket seal (boss) 1st end

Valve Operation Method

automatic

Connection Type

threaded external boss 1st end

Mounting Position

horizontal or vertical

Thread Quantity Per Inch

18 1st end

Maximum Operating Pressure

60.0 pounds per square inch single response

Nominal Thread Size

0.375 inches 2nd end

Nominal Thread Size

0.562 inches 1st end

Seat Angle

37.0 degrees 1st end

Material

aluminum alloy body

Media For Which Designed

fuel/oil, hydrocarbon single response

Style Designator

straight thru

Thread Series Designator

unj 1st end

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

0005487

Related Hardware Products

Part Number Description
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Frequently Asked Questions

What is the FSCG of the NSN 4820-00-446-3409?
The FSCG of the NSN 4820-00-446-3409 is 4820
Does the NSN 4820-00-446-3409 have a Schedule B code assigned?
Yes, the Schedule B code is 8481309000
Does NSN 4820-00-446-3409 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 4820-00-446-3409 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-446-3409 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 4820-00-446-3409 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963