Can't Find Your Part? Enter Your NSN or PART Number Here:

Last Modified: Jul 16, 2019

NSN 4820-00-001-0037 Valve, Safety Relief

MFG Part Numbers: D559A3M2

Cross Reference Parts for NSN 4820-00-001-0037

MFG Part Number ISC RNVC RNCC HCC MSDS SADC DAC

D559A3M2

2 2 3 3

Request A Quote

Part:
Qty:
Email:

Part Information for NSN 4820-00-001-0037 (4820000010037)

Item Name: VALVE,SAFETY RELIEF
Federal Supply Class (FSC): 4820
NIIN: 00-001-0037 (000010037)
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: --

Item Specifics

Federal Supply Class (FSC)
Valves Nonpowered
Bonnet Attachment Method
Threaded ADST
Bonnet Type
Inside screw ADSR
Connection Style
Plain (pipe) 1st end AHNC
Connection Type
Threaded external pipe 1st end AWLS
Disk Loading Method
Spring ADSU
Flow Control Device
Poppet ADQU
Material
Aluminum alloy 2024 body MATT
Material
Aluminum alloy 2024 seat MATT
Maximum Operating Temp
280.0 deg fahrenheit single response AEHZ
Maximum Operating Pressure
200.0 pounds per square inch single response CQGM
Media For Which Designed
Air 1st response MEDA
Media For Which Designed
Hydrogen 4th response MEDA
Nominal Pipe Size Accommodated
0.375 inches 1st end AAAR
Nominal Thread Size
0.375 inches 1st end CQJX
Opening Pressure Setting
2.0 pounds per square inch CSDC
Material Document And Classification
Qq-a-225/6,alloy2024,t4 fed spec single material response body MDCL
Material Document And Classification
Qq-a-225/6,alloy2024,t4 fed spec single material response seat MDCL
Style Designator
Straight thru w/baffle STYL
Surface Treatment Document And Classification
Mil-a-8625,ty 1 mil spec single treatment response STDC
Surface Treatment
Anodize SFTT
Thread Direction
Right-hand 1st end AAJF
Thread Series Designator
Npt 1st end THSD
Valve Operation Method
Automatic AQLR

Trade Control Compliance Schedule B Export Code: A ten position numeric code that identifies an item exported overseas. this unique identification code is assigned by the U.S. Census Bureau.

Schedule B Sch. B Description Demilitarization Classification ITAR Regulation
8481400000 Safety or relief valves Non-usml/non-ccli - no demil or dod tsc required. department of commerce may impose licensing requirements to certain destinations. (note 9). Unclassified Not ITAR Controlled

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
United States
United States ZZ
Defense Logistics Agency
Defense Logistics Agency ZZ

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.

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 V Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing and special purpose vehicles, trailers, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling ASH Array No special handling required.

Item Identification | Valves, Nonpowered

4820-00-001-0037, 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 Sep 24, 1972 000010037 05488 (Valve, Safety Relief)

Safety Relief Valves Cross Reference

D559A3M2 Cage Code 91816

Codes

COUNTRY CODE: 00
CIIC: U
DML: A
HMIC: N
MGMT CTRL: -------
SOS: SMS
INC: 5488
AAC: J
CRITL CODE: X
DEMIL CODE: A
S A: DN
MGMT CTL: 9B-----
NIIN ASGMT: 24-SEP-72
QUP: 1
SLC: 0
UI: EA
CAGE: 91816
RNCC: 3
RNVC: 2

Management

Navy Flag

Navy

Cognizance 9B – Naval inventory control point, mechanicsburg
Special Material
Requisition Restriction
Special Material Content
Navy Flag

Navy Management Code Definition

Cognizance (COG) Identifies the inventory manager (IM) and inventory control point (ICP).
Special Material (SMIC) Categorizes material on the basis of requirements for source or quality control, technical design, or configuration control, procurement, stocking and issue control, special receipt, inspection, testing, storage, or handling
Req. Restriction (IRRC) Item requisition instructions.
Special Material (SMCC) Indicated that an item represents or contains peculiar material requiring special treatment, precautions, or management.
Similar parts: 4820-01-199-4620 4820-01-199-4477 4820-01-199-4988 4820-01-199-3040 4820-01-199-1873 4820-01-199-4217 4820-01-199-5693 4820-01-199-4613 4820-01-199-3015 4820-01-199-3063 4820-01-199-4474