P20-383

Safety Relief Valve

NSN 4820-00-191-6881

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
001916881

Product Technical Spec.

Thread Class:
3a 1st end
Thread Direction:
Right-hand 1st end
Flow Control Device:
Disk
Valve Discharge Flow Rate:
200.0 cubic feet per minute
Maximum Operating Temp:
450.0 degrees fahrenheit single response
Connection Style:
G50 external seat for gasket seal (boss) 1st end
Connection Style:
External seat for gasket seal (boss) 1st end
Valve Operation Method:
Automatic
Connection Type:
Threaded external boss 1st end
Features Provided:
Valve stem lock shield and pressure tight outlet side
Thready Qty Per Inch (tpi):
12 1st end
Adjustable Pressure Range:
+47.0/+53.0 pounds per square inch
Maximum Operating Pressure:
60.0 pounds per square inch single response
Thread Size:
1.312 inches 1st end
Opening Pressure Setting:
50.0 pounds per square inch
Outside Diameter Tube Accommodated:
1.000 inches 1st end
Material:
Aluminum alloy 2024
Material Specification:
Qq-a-225/6, alloy2024 federal specification all material responses
Media For Which Designed:
Air single response
Surface Treatment:
Anodize
Surface Treatment Specification:
Mil-a-8625 military specification single treatment response
Style Designator:
Straight thru
Thread Series Designator:
Un 1st end
NSN:
4820-00-191-6881
Item Name:
Cartridge,relief Valve
Cage Code:
91816

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
C491-2
Cage Code:
81755
RNCC:
7
RNVC:
2
RNAAC:
SE
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:
A
ESD:
ESD:
MMAC:
SX
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Pricing & Availability

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Privacy | Terms

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

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 AIR FORCE Dept. of the Air Force
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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