4820-01-521-0018

Fluid Pressure Regulating Valve email this page

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Reference images of this national stock number
Reference of NSN 4820-01-521-0018 Reference of NSN 4820-01-521-0018 Reference of NSN 4820-01-521-0018 Reference of NSN 4820-01-521-0018 Reference of NSN 4820-01-521-0018 Reference of NSN 4820-01-521-0018 Reference of NSN 4820-01-521-0018 Reference of NSN 4820-01-521-0018 Reference of NSN 4820-01-521-0018 Reference of NSN 4820-01-521-0018 Reference of NSN 4820-01-521-0018

Model or part number: MIL-V-2042

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About this product
Manufacturer identifies this valve as 1/2" style h sea water pressure reducing valve per mil-v-2042 type ii 250 lb. End connections are union end/tailpieces with 1 groove. Drawing note 7: o-rings and retaining rings provided only when specified on order.

Description

Air Regulator Valve NSN 4820-01-521-0018.

pdf NSN 4820-01-521-0018 Datasheet

MRC:
The basic material of which the body is fabricated.AAFZ
Body Material:
Bronze, astm b61
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the body.AAQL
Body Style:
Straight thru
MRC:
The element, compound,or mixture of which the stem is fabricated,excluding any surface treatment.ABEP
Stem Material:
Nickel copper alloy
MRC:
The type of service with which the item is designed to be used.ACKL
Media For Which Designed:
Water
MRC:
A narrative description of the type of end connection.ACKM
First End Connection Type:
Unthreaded internal pipe
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the end.ACKN
First End Style Designator:
Socket
MRC:
The industrial designation or term used to define the nominal diameter of the pipe the end will accommodate.ACLG
First End Pipe Size Accommodated:
0.500 inches
MRC:
The element,compound,or mixture of which the seating surfaces are fabricated.ACSH
Seat Material:
Nickel copper alloy
MRC:
None.ADQL
Face To Face Distance:
9.500 inches
MRC:
The part that controls the flow through the item.ADQU
Flow Control Device:
Disk
MRC:
The element,compound,or mixture of which the flow control device is fabricated.ADQV
Flow Control Device Material:
Rubber, buna-n
MRC:
The number of end connections included in the item.ADQZ
End Connection Quantity:
2
MRC:
Indicates the type of renewable seating ring in the item.ADZH
Renewable Seat Ring Type:
Retaining ring
MRC:
The minimum to maximum limits of outlet pressure of the item.AEVA
Outlet Pressure Range:
+5.0/+60.0 pounds per square inch
MRC:
Indicates the basic design type used for regulating the item.AEVN
Regulation Type:
Automatic single stage
MRC:
The seat design of the valve stem.AEVQ
Valve Stem Design:
Single seat
MRC:
The means of providing resistance to the media passing through a valve,whereby the valve is actuated to regulate the flow.AEVR
Valve Loading Method:
Spring
MRC:
The maximum pressure of the media on the inlet side at which an item is designed to operate.AEVZ
Maximum Inlet Pressure Rating:
250.0 pounds per square inch
MRC:
An indication of whether or not a filter is included.AEWF
Filter:
Not included
MRC:
The national stock number or the identification information of the end equipment for which the item is a part.AGAV
End Application:
W/s nimitz
MRC:
The specification and/or standard of the end connection.BZRS
End Connection Specification/std:
5371-18-031-3859
MRC:
Designates the size of the valve.CCFG
Valve Size:
0.500 inches
MRC:
The name assigned to the item by the government agency or commercial organization controlling the design of the item.CXCY
Product Name:
Pressure reducing valve
MRC:
--
NIIN:
015210018
MRC:
--
NATO Stock Number:
4820-01-521-0018
MRC:
--
Shelf Life:
N/A
MRC:
--
UOM:
--
MRC:
--
DEMIL:
No
FIIG:
--
FIIG:
A21100
MRC:
--
INC:
27565
MRC:
--
IMM:
AX AX
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Shipping

Delivery of IN-STOCK orders ship same-day when order is placed before 2:00 PM EST.

Delivery dates for NON-STOCK items are estimates based on current backlog and are subject to confirmation at the time of order.

Parts and Components for Fluid Pressure Regulating Valve NSN 4820-01-521-0018 Parts and components for this end application.

NSN Component Description
NSN 4820-01-521-0019 Valve Seat
NSN 4820-01-521-0020 Fluid Valve Stem

Formal Definition

Government issue definition of NSN 4820-01-521-0018

A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes regulator, pressure, medical gas administration apparatus; regulator, oxygen, barometric continuous flow; regulator, oxygen demand; regulator, oxygen diluter demand; and valve(1), fluid pressure regulating, aircraft.

Packaging & Dimensions

MIL-STD codes: http://www.dla.mil/LandandMaritime/.../MILSTD2073Codes.aspx
Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
Container
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
LVL C
Container:
--
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q
LVL_C:
CUSH
MOP
CATEG.
PRES MAT
WRAP MAT
ICQ
THK
TOS
UCL
CUSH DUN:
XX
MOP:
AE
PKG:
16ZZ
PRES MAT:
00
WRAP MAT:
XX
ICQ:
AAA
THK:
X
TOS:
UCL:

Packaging Codes Definitions:

LVL A Code (LVL_A) Q

Packing shall be accomplished in accordance with table c.Ii for the packing level specified. closure, sealing and reinforcement shall be in accordance with applicable specification for shipping container.

LVL B Code (LVL_B) Q

Packing shall be accomplished in accordance with table c.Ii for the packing level specified. closure, sealing and reinforcement shall be in accordance with the appropriate shipping container specification.

Procedure Indicator Code (OPI) O

Options can be exercised as to specific method of preservation or dod approved packaging materials to be used. however, basic preservation method shall be retained, supplemental data shall be complied with, and unit package dimensions shall not be increased by more than one inch. equal or better protection shall be given the item and there shall be no increase in the package cost.

Special Markings Code (SPC_MKG) 00

No special marking.

Method of Preservation (MOP) AE

Seal or plug all openings and preserve by method 10.

Preservation Material (PRES_MAT) 00

No requirement.

Import / Export

Schedule B Classification
Schedule B Number
NAIC National Association of Insurance Commissioners
End Use A classification system for U.S. exported and imported merchandise based on principal use rather than the physical characteristics of the merchandise. End-Use codes are assigned by the Bureau of Economic Analysis under the U.S. Department of Commerce.
SITC Commodity classification system defined by the United Nations.
USDA
HITECH
Schedule B:
8481809015
NAICS:
332911
End Use Class:
21180
SITC:
74780
USDA:
1
HITECH:
0

Schedule B Codes Definitions:

Schedule B 8481809015

Operating, For Controlling Variables Such As Temperature, Pressure, Flow and Liquid Level Regulator Valves, Self

End Use Code 21180

Industrial Machines, Other

Standard Intl. Trade Class (SITC) 74780

Taps, Cocks, Valves and Similar Appliances, N.e.s.

Freight

Universal / National freight and handling information
NMFC
Class
UFC
LTL
LCL
WCC
TCC
SHC
ADC
ACC
NMFC:
127200
NMF Description:
Pressure Redcng Water Relief Valve
UFC:
64480
LTL:
85.0
LCL:
--
WCC:
594
TCC:
Z
SHC:
9
ADC:
A
ACC:
B

Freight Codes Definitions:

Cargo Type (TCC) Z

No special type of cargo code applicable.

Water Commodity (WCC) 594

Pumps and parts, (machinery and parts),(less than 35 feet).

Air Commodity (ACC) B

Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater.

Air Dimensions (ADC) A

Shipment is not a consolidation and does not exceed 84 inches in any dimension.

Air Special Handling (SHC) 9

Other or no special handling required (sh)

Manufacturers

This NSN is registered to the following cage codes.
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