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4820-01-337-4512

Check Valve

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Official Item Classification

Name
Check Valve
(NSN) National Stock Number
4820-01-337-4512
(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
04/14/1991 (35 years ago)

disk flow control device, right-hand all ends thread direction, automatic valve operation method, flare (tube) all ends connection style, 2a all ends thread class

Specs & Compatibility

Thread Class

2a all ends

Thread Direction

right-hand all ends

Flow Control Device

disk

Connection Style

flare (tube) all ends

Valve Operation Method

automatic

Connection Type

threaded internal tube all ends

Mounting Position

horizontal or vertical

Nominal Thread Size

0.562 inches all ends

Opening Pressure Setting

3.0 pounds per square inch

Nominal Outside Diameter

0.375 inches all ends

Nominal Outside Diameter Tube Accommodated

0.375 inches all ends

Material

steel or copper alloy or aluminum body

Style Designator

straight thru

Thread Series Designator

unf all ends

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
141183 Check Valve
404HTX6 Check Valve
7302-1 Check Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-337-4512?
The FSCG of the NSN 4820-01-337-4512 is 4820
Does NSN 4820-01-337-4512 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 4820-01-337-4512 contain precious materials?
Precious metal content is unknown
Does NSN 4820-01-337-4512 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 4820-01-337-4512 was assigned to the Federal Catalog?
It was assigned 35 years ago, on Sun, Apr 14, 1991