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4820-01-477-7832

Gaseou Pressure Equalizing Valve

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Official Item Classification

Name
Gaseou Pressure Equalizing Valve
(NSN) National Stock Number
4820-01-477-7832
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
10958
(FIIG) Federal Item Identification Guide
A07100
Date
08/18/2000 (26 years ago)

single connection, straight flow body style, 2.5 pounds per square inch maximum operating pressure, 1.0 pounds per square inch opening pressure setting, right-hand first end thread direction, 2a first end thread class

Specs & Compatibility

Maximum Operating Pressure

2.5 pounds per square inch

Body Style

single connection, straight flow

First End Thread Class

2a

First End Thread Direction

right-hand

Opening Pressure Setting

1.0 pounds per square inch

Valve Relief Design Type

pressure and vacuum

End Item Identification

t406-ad-400 engine

First End Thread Series Designator

uns

First End Nominal Thread Size

2.000 inches

Criticality Code Justification

agav

Part Name Assigned By Controlling Agency

breather valve

Special Features

cracking reseal valve (-10c-10c)

Material

aluminum body

Surface Treatment

anodize outside

Supplementary Features

corrorsion-resistant, tamperproof; cover provides protection from sand and dust intrusion, and from water from high-pressure decontamination hoses

Test Data Document

"81343-as27166 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."

Replacement For

Part Number Description
4820-01-547-3584 No Name Available 03/01/2009

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
Y

The item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restrictions 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

0010958

Related Hardware Products

Part Number Description
1930AS100-22 Gaseou Pressure Equalizing Valve
TA770-100-100-R Gaseou Pressure Equalizing Valve
TA770-10C-10C-R Gaseou Pressure Equalizing Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-477-7832?
The FSCG of the NSN 4820-01-477-7832 is 4820
Does the NSN 4820-01-477-7832 have a Schedule B code assigned?
Yes, the Schedule B code is 8481809050
Does NSN 4820-01-477-7832 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 4820-01-477-7832 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-477-7832 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 4820-01-477-7832 was assigned to the Federal Catalog?
It was assigned 26 years ago, on Fri, Aug 18, 2000