B083171-3

Safety Relief Valve

NSN 4820-00-177-5982

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
001775982

Product Features

Pop-off type

Technical Specifications of NSN

Pipe Size Accommodated:
0.500 inches 1st end
Thread Direction:
Right-hand 1st end
Flow Control Device:
Poppet
Disk Loading Method:
Spring
Valve Discharge Flow Rate:
75.0 cubic feet per minute
Maximum Operating Temp:
-70.0 degrees fahrenheit 1st response450.0 degrees fahrenheit 2nd response
Connection Style:
G46b plain (pipe) 1st end
Connection Style:
Plain (pipe) 1st end
Valve Operation Method:
Automatic
Connection Type:
Threaded external pipe 1st end
Adjustable Pressure Range:
+60.0/+140.0 pounds per square inch
Adjustable Pressure Range:
+60.0 to 140.0 pounds per square inch
Maximum Operating Pressure:
200.0 pounds per square inch single response
Thread Size:
0.500 inches 1st end
Opening Pressure Setting:
100.0 pounds per square inch
Material:
Copper alloy
Media For Which Designed:
Air 1st response
Media For Which Designed:
Oil, chlorinated transformer 2nd response
Media For Which Designed:
Oxygen, gaseous 3rd response
Style Designator:
Straight thru
Thread Series Designator:
Npt 1st end
NSN:
4820-00-177-5982
Item Name:
Valve,relief,pressure
Cage Code:
99251

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
524B-4M-100
Cage Code:
91816
RNCC:
3
RNVC:
2
RNAAC:
HH
Status:
A
MSDS:
SADC:

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05488
FIIG:
A046B0
Concept No.:
1
App. Key:
AP
Cond. Code:
1
Status:
A

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
--
WCC:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Pricing & Availability

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Privacy | Terms

Definition Definition of approved item name (AIN): "Pressure Relief Valve"

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.

MOE Major Organizational Entities

Entity
DSOR
User:
DEPARTMENT OF THE NAVY Dept. of the Navy
DSOR:
Import / Export
  • Schedule B: 8481400000
  • SITC: 74740
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Classification: Safety or relief valves


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