D539A2M5

Safety Relief Valve

NSN 4820-00-706-4591

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
007064591

Product Features

Refrigerant 12 sixth media

Technical Specifications of NSN

Pipe Size Accommodated:
0.250 inches 1st end
Thread Direction:
Right-hand 1st end
Flow Control Device:
Poppet
Disk Loading Method:
Spring
Maximum Operating Temp:
250.0 degrees fahrenheit single 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
Features Provided:
Pressure tight outlet side
Thready Qty Per Inch (tpi):
18 1st end
Maximum Operating Pressure:
200.0 pounds per square inch single response
Thread Size:
0.250 inches 1st end
Opening Pressure Setting:
5.0 pounds per square inch
Material:
Steel comp 303 body
Material:
Steel comp 303 flow control device
Material:
Steel comp 303 seat
Material Specification:
Aisi 3031/sae 30303 assn standard single material response
Media For Which Designed:
Ammonia, liquid 1st response
Media For Which Designed:
Butane 2nd response
Media For Which Designed:
Fuel/oil, hydrocarbon 3rd response
Media For Which Designed:
Gas, inert 4th response
Media For Which Designed:
Hydrogen 5th response
Style Designator:
Straight through w/baffle
Thread Series Designator:
Npt 1st end
NSN:
4820-00-706-4591
Item Name:
Velocity Fuse
Cage Code:
91816

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
D559A-2M-5
Cage Code:
91816
RNCC:
3
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
C1058A2D5
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:
FR
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
77.5
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): "Velocity Fuse"

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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