51-44-45

Safety Relief Valve

NSN 4820-01-076-7088

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
010767088

Technical Specifications of NSN

Thread Direction:
Right-hand all ends
Flow Control Device:
Poppet
Maximum Operating Temp:
-40.0 degrees fahrenheit 1st response250.0 degrees fahrenheit 2nd response
Connection Style:
G46b plain (pipe) 1st endg9 plain, optional en (pipe) 2nd end
Valve Operation Method:
Automatic
Connection Type:
Threaded external pipe 1st endthreaded internal pipe 2nd end
Adjustable Pressure Range:
+200.0/+300.0 pounds per square inch
Maximum Operating Pressure:
2500.0 pounds per square inch single response
Thread Size:
0.250 inches all ends
Opening Pressure Setting:
275.0 pounds per square inch
Material:
Copper alloy bodyrubber butadiene-acrylonitrile class nbr seat
Media For Which Designed:
Air 1st responseacetylene 2nd responseammonia, gaseous 3rd responserefrigerant 12 4th responsehydrogen 5th response
Thread Series Designator:
Npt all ends
NSN:
4820-01-076-7088
Item Name:
Valve,relief,pressure
Cage Code:
31949

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
5159B-2MP-275
Cage Code:
91816
RNCC:
3
RNVC:
2
RNAAC:
AX
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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.3000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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:
Construction Materials

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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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