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4820-00-998-2479

Safety Relief Valve

4820009982479 009982479 1602

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. View more Safety Relief Valve

4820-00-998-2479 VALVE,SAFETY RELIEF 4820009982479 009982479

Managed by United States
NSN Created on 16 Jan 1967
Data Last Changed
November 2023
NATO Update Count
7
NATO Data Quality
4820-00-998-2479 VALVE,SAFETY RELIEF 4820009982479 009982479 1/1
NSN 4820-00-998-2479 (Generic Image) 1/1

4820-00-998-2479 Stock and Availability Marketplace 4820-00-998-2479

4820-00-998-2479 Related Documents Related Documents 4820-00-998-2479 2+ Documents (More...)

6685-99-789-1131 6685997891131 997891131 is a thermometer which has a bimetallic substance, whose measurable physical properties, or one of them, change with variation in temperature and self-indicate the temperature to a division or number on a graduated scale(s).
6685-99-789-1135 6685997891135 997891135 is a thermometer which has a bimetallic substance, whose measurable physical properties, or one of them, change with variation in temperature and self-indicate the temperature to a division or number on a graduated scale(s).

4820-00-998-2479 Demil Restrictions 4820-00-998-2479

DEMIL: A | DEMILI: | CRITICALITY: X | HMIC: N | PMIC: U | EDC: | ADPEC:

4820-00-998-2479 is a Safety Relief Valve that does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. This item is considered a low risk when released from the control of the Department of Defense. The item may still be subject to the requirements of the Export Administration Regulations (EAR) and the Code of Federal Regulations (CFR). This item is not suspected to be hazardous. The precious metals content of this item is unknown.

4820-00-998-2479 End Users End Users 4820-00-998-2479

NASA (G160)
Effective Date:
1 Apr 1991

4820-00-998-2479 Manufacturers Approved Sources 4820-00-998-2479

4820-00-998-2479 Technical Data Datasheet 4820-00-998-2479

Characteristic
Specifications
Material [MATT]
Iron Cast Body
Material [MATT]
Steel Corrosion Resisting Flow Control Device
Material [MATT]
Steel Corrosion Resisting Seat
Material [MATT]
Copper Alloy Stem
Style Designator [STYL]
Angle
Flow Control Device [ADQU]
Disk
Media For Which Designed [MEDA]
Steam Single Response
Maximum Operating Pressure [CQGM]
250.0 Pounds Per Square Inch Single Response
Maximum Operating Temp [AEHZ]
450.0 Deg Fahrenheit Single Response
Valve Discharge Flow Rate [ADSY]
12700.0 Pounds Per Hour
Valve Operation Method [AQLR]
Automatic
Connection Type [AWLS]
Threaded Internal Pipe 1St End
Connection Style [AHNC]
Plain,Optional End(Pipe) 1St End
Nominal Pipe Size Accommodated [AAAR]
3.000 Inches 1St End
Thread Series Designator [THSD]
Npt 1St End
Nominal Thread Size [CQJX]
3.000 Inches 1St End
Thread Quantity Per Inch [CMLP]
8 1St End
Thread Direction [AAJF]
Right-Hand 1St End
Disk Loading Method [ADSU]
Spring
Opening Pressure Setting [CSDC]
125.0 Pounds Per Square Inch
Features Provided [CBBL]
Pressure Tight Outlet Side

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4820-00-998-2479 Freight Data Freight Information 4820-00-998-2479

4820-00-998-2479 has freight characteristics.. 4820-00-998-2479 has a variance between NMFC and UFC when transported by rail and the description should be consulted.