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4820-01-019-2677

Check Valve

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Official Item Classification

Name
Check Valve
(NSN) National Stock Number
4820-01-019-2677
(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
04/14/1976 (50 years ago)

right-hand all ends thread direction, disk flow control device, spring disk loading method, 2b all ends thread class, 700.0 fahrenheit single response maximum operating temp

Specs & Compatibility

Thread Class

2b all ends

Thread Direction

right-hand all ends

Flow Control Device

disk

Disk Loading Method

spring

Maximum Operating Temp

700.0 fahrenheit single response

Connection Style

gasket seal (boss) all ends

Valve Operation Method

automatic

Connection Type

threaded internal tube all ends

Mounting Position

horizontal or vertical

Maximum Operating Pressure

3000.0 pounds per square inch single response

Nominal Thread Size

0.750 inches all ends

Seat Angle

37.0 degrees 1st end

Nominal Outside Diameter Tube Accommodated

0.500 inches all ends

Material

steel corrosion resisting overall

Media For Which Designed

water-oil-gas single response

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

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Frequently Asked Questions

What is the FSCG of the NSN 4820-01-019-2677?
The FSCG of the NSN 4820-01-019-2677 is 4820
Does the NSN 4820-01-019-2677 have a Schedule B code assigned?
Yes, the Schedule B code is 8481302090
Does NSN 4820-01-019-2677 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 4820-01-019-2677 contain precious materials?
Precious metal content is unknown
Does NSN 4820-01-019-2677 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 4820-01-019-2677 was assigned to the Federal Catalog?
It was assigned 50 years ago, on Wed, Apr 14, 1976