Safety Relief Valve

123SCP101

(NSN) National Stock Number

4820-01-441-6647

Federal Supply Classification

4820 Nonpowered Valves

Item Name Code

05488

Schedule B Code

8481400000

Summary

3a all ends thread class, right-hand all ends thread direction, 2.0 cubic feet per minute valve discharge flow rate, 185.0 deg fahrenheit 1st response maximum operating temp, 250.0 deg fahrenheit 2nd response maximum operating temp, -65.0 deg fahrenheit minimum operating temp

DAC	HCC	DMIL	RNCC
A	-	-	7

RNVC	SADC	MSDS	RNAAC
1	-	-	ZZ

Identification

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

INC	FIIG	Concept	Condition
05488	A046B0	1	2

Specifications

Thread Class

3a all ends

Details

A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

Thread Direction

right-hand all ends

Details

The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.

Valve Discharge Flow Rate

2.0 cubic feet per minute

Details

The rated valve discharge capacity per unit of time.

Maximum Operating Temp

185.0 deg fahrenheit 1st response

Details

The maximum temperature at which the item is rated to operate for an extended period of time.

Maximum Operating Temp

250.0 deg fahrenheit 2nd response

Details

The maximum temperature at which the item is rated to operate for an extended period of time.

Minimum Operating Temp

-65.0 deg fahrenheit

Details

The minimum temperature at which the item is designed to operate.

End Item Identification

aircraft;e-2c hawkeye

Details

The national stock number or the identification information of the end equipment for which the item is a part.

Connection Style

external seat for gasket seal (boss) all ends

Details

The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.

Valve Operation Method

automatic

Details

The means used to control the operation of the valve.

Connection Type

threaded external boss all ends

Details

Indicates the type of connection/s/.

Thread Quantity Per Inch

12 all ends

Details

The number of threads on the item per linear inch measured on a line parallel to the thread axis.

Nominal Thread Size

1.062 inches all ends

Details

A designation that is used for the purpose of general identification of the thread.

Seat Angle

37.0 degrees all ends

Details

The angle of the end surface upon which the mated surface seats.

Special Features

o/a lg 4.250 in.

Details

Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification on one or more other functions.

Material

aluminum alloy body

Details

The chemical compound or mechanical mixture properties of which the item is fabricated.

Media For Which Designed

air 1st response

Details

The type of media for which the item is designed.

Media For Which Designed

fuel/oil, hydrocarbon 2nd response

Details

The type of media for which the item is designed.

Surface Treatment

anodize

Details

The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.

Style Designator

straight thru note: to be used for valve bodies of one section only.

Details

The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

Thread Series Designator

un all ends

Details

A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.

Master-Cross Reference List

Part	CAGE	DAC	HCC	RNCC	RNVC	MSDS	RNAAC
15-158-101	3H889	E	-	5	2	-	ZZ
15-158-301	59211	E	-	3	2	-	ZZ
15-158-201	92003	5	-	5	9	-	ZZ
15-158-301	92003	6	-	5	9	-	ZZ
123SCP101-501	79RG9	E	-	C	1	-	ZZ
123SCP101-3	26512	5	-	5	9	-	ZZ
123SCP101-501	26512	E	-	5	9	-	ZZ
15-158-301	92002	5	-	C	1	-	ZZ

Material and Special Handling

Hazardous material, precious metals, criticality, and electrostatic discharge indicators.

HMIC	PMIC	ESD/EMI	Criticality
N	A	-	-

Freight

Universal / National Freight and Handling Information

UFC	HMC	LTL	LCL
64490	-	P	-

RVC	WCC	TCC	SHC
-	594	Z	9

Certified Supplier

Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.

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Manufacturer

NORTHROP GRUMMAN SYSTEMS CORPORATION DIV MISSION SYSTEMS

CAGE: 26512

BETHPAGE , NY , 11714-1035

UNITED STATES

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FAQs

Frequently asked questions for NSN 4820-01-441-6647

What is the NIIN of the NSN 4820-01-441-6647?

The National Item Identification Number (NIIN) of the NSN 4820-01-441-6647 is 01-441-6647

When the NSN 4820-01-441-6647 was assigned to the Federal Catalog?

It was assigned 27 years ago, on Thu, Feb 20, 1997

Does the NSN 4820-01-441-6647 contain any precious metals?

Does not contain precious metal

Does the NSN 4820-01-441-6647 contain any hazardous material?

No data in HMIRS

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