Manifold Valve Assembly

(NSN) National Stock Number

4820-01-503-2497

Federal Supply Classification

4820 Nonpowered Valves

Item Name Code

46202

Schedule B Code

8481909090

Summary

8.870 inches maximum overall length, 5.000 inches nominal overall width, seawolf class ssn end item identification, hydraulic and manual valve operation method, 2 valve quantity, aluminum alloy 6061 body material

DAC	HCC	DMIL	RNCC
C	-	-	D

RNVC	SADC	MSDS	RNAAC
9	-	-	ZZ

Identification

A device consisting of two or more valves of the same or different type in a common body or housing. It may have multiple end connections, and the valves function(s) may or may not be dependent of each other. For items consisting of two or more complete valves joined together, see valve assembly.

INC	FIIG	Concept	Condition
46202	A504L0	-	2

Specifications

Overall Length

8.870 inches maximum

Details

The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.

Overall Width

5.000 inches nominal

Details

An overall measurement taken at right angles to the length of an item,in distinction from thickness.

End Item Identification

seawolf class ssn

Details

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

Valve Operation Method

hydraulic and manual

Details

The means used to control the operation of the valve.

Valve Quantity

Details

The number of valves provided.

Body Material

aluminum alloy 6061

Details

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

Part Name Assigned By Controlling Agency

restrictor valve assy

Details

The name assigned to the item by the government agency or commercial organization controlling the design of the item.

Special Features

this quiet variable restrictor valve assembly has 2 valves: a restrictor valve and a check valve;operating pressure is 3000 psig; flow is 0.1 to 5 gpm at 75 psid min and 3300 psid max with fluid viscosity at atmospheric pressure between 73 and 77 centistokes; manually close assembly by turning adjust screw counterclockwise; has 4 helical coil inserts in body iaw ms124699 (.4375-20unf-3b) and 2 helical coil inserts in end cap iaw ms124696 (.250-28unf-3b); assembly may be mounted in any position w/o adversely affecting operation; media is hydraulic fluid; key component of this valve assembly is p/n 21270-801-1 quiet element which provides for extremely quiet operation

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.

Master-Cross Reference List

Part	CAGE	DAC	HCC	RNCC	RNVC	MSDS	RNAAC
21270-001	78062	C	-	3	2	-	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
29300	-	W	-

RVC	WCC	TCC	SHC
-	594	Z	9

Provided with every order

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FAQs

Frequently asked questions for NSN 4820-01-503-2497

What is the NIIN of the NSN 4820-01-503-2497?

The National Item Identification Number (NIIN) of the NSN 4820-01-503-2497 is 01-503-2497

When the NSN 4820-01-503-2497 was assigned to the Federal Catalog?

It was assigned 22 years ago, on Tue, Dec 10, 2002

Does the NSN 4820-01-503-2497 contain any precious metals?

Does not contain precious metal

Does the NSN 4820-01-503-2497 contain any hazardous material?

No data in HMIRS

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Manifold Valve Assembly

4820-01-503-2497

21270-001