Last Modified: May 25, 2019

NSN 4820-00-003-8324 Valve, Safety Relief

MFG Part Numbers: 10-321-70, 4010

Cross Reference Parts for NSN 4820-00-003-8324

MFG Part Number ISC RNVC RNCC HCC MSDS SADC DAC

10-321-70

2 2 3 6

4010

2 2 3 3

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Part Information for NSN 4820-00-003-8324 (4820000038324)

Item Name: VALVE,SAFETY RELIEF
Federal Supply Class (FSC): 4820
NIIN: 00-003-8324 (000038324)
Definition: 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.
NMF Description: PRESSURE REG/RED/RELIEF VALVES NOI

Item Specifics

Federal Supply Class (FSC)
Valves Nonpowered
Bonnet Attachment Method
Integral ADST
Bonnet Type
Inside screw ADSR
Connection Style
Plain (pipe) 2nd end AHNC
Connection Style
Plain,optional end(pipe) 1st end AHNC
Connection Type
Threaded external pipe 2nd end AWLS
Connection Type
Threaded internal pipe 1st end AWLS
Flow Control Device
Poppet ADQU
Material
Copper alloy body MATT
Maximum Operating Pressure
60.0 pounds per square inch single response CQGM
Media For Which Designed
Water, fresh single response MEDA
Nominal Thread Size
0.750 inches 2nd end CQJX
Nominal Thread Size
0.750 inches 1st end CQJX
Opening Pressure Setting
30.0 pounds per square inch CSDC
Special Features
The end connection identified above as the second end is the valve inlet FEAT
Style Designator
Angle STYL
Surface Treatment
Chromium SFTT
Thread Direction
Right-hand 1st end AAJF
Thread Direction
Right-hand 2nd end AAJF
Thread Series Designator
Npt 2nd end THSD
Thread Series Designator
Npt 1st end THSD
Valve Operation Method
Automatic AQLR


Item Identification | Valves, Nonpowered

4820-00-003-8324, 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.

Supply Class (FSC)NSN AssignmentNIINItem Name Code (INC)
4820 May 27, 1972 000038324 05488 (Valve, Safety Relief)


Material & Special Handling Item material and handling information

Code Description Value Meaning
HMIRS N Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Precious Metals Indicator U Precious metal content is unknown
Criticality Code X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Repairability Z This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.


National Motor Freight NMFC: A six position numeric code, which divides articles into groups or classes according to physical characteristics. The classification is based on truckloads vs. less than truckload.

Code Description Code Value Meaning
NMF Description NMFC 127220 Pressure Reg/red/relief Valves Noi
Less than a truck load rating LTL P 77.5
Water Commodity WCC 594 Pumps and parts, (machinery and parts),(less than 35 feet)
Type of Cargo TCC Z No special type of cargo code applicable
Special Handling SHC 9 Other or no special handling required (sh)
Air Dimension Code ADC A Shipment is not a consolidation and does not exceed 84 inches in any dimension.
Air Commodity ACC B Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling ASH Array No special handling required.


MOE / End Users Represents the subdivisions of a US governmental organization or an agency of the North Atlantic Treaty Organization (NATO), and other friendly governments and international organizations participating in the federal catalog program.

Country / Entity Name MOE
Department Of The Army
Department Of The Army ZZ


Safety Relief Valves Cross Reference

4010 Cage Code 26465
10-321-70 Cage Code 72219


Codes

COUNTRY CODE: 00
CIIC: U
DML: A
HMIC: N
MGMT CTRL: -------
SOS: SMS
INC: 5488
WEAPON SYSTEM: ARLEIGH BURKE CLASS DDG
AAC: D
CRITL CODE: X
DEMIL CODE: A
S A: DA
MGMT CTL: 9B-----
NIIN ASGMT: 27-MAY-72
QUP: 1
SLC: 0
UI: EA
CAGE: 72219
RNCC: 3
RNVC: 2

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