Part Number 21270-001

Manifold Valve Assembly

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
21270-001
Demil:
Yes - DEMIL/MLI
Shelf Life:
UOM:
NIIN:
015032497

Part Information
Restrictor valve assembly

NSN
National Stock Number:
4820-01-503-2497 4820015032497
TXT
Description:
Manifold Valve Assembly
INC
INC
Item Name Code:
46202
INC
COM
Compliance:
* ITAR Controlled
MRC:
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.ABHP
Overall Length:
8.870 inches
MRC:
An overall measurement taken at right angles to the length of an item,in distinction from thickness.ABMK
Overall Width:
5.000 inches
MRC:
The national stock number or the identification information of the end equipment for which the item is a part.AGAV
End Application:
Seawolf class ssn
MRC:
The means used to control the operation of the valve.AQLR
Valve Operation Method:
Hydraulic and manual
MRC:
The number of valves provided.ATQR
Valve Quantity:
2
MRC:
The chemical compound or mechanical mixture properties of which the body is fabricated.CQRG
Body Material:
Aluminum alloy 6061
MRC:
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.FEAT
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 maximum 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

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