559A-2M-29

Safety Relief Valve

NSN 4820-00-590-9234

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
005909234

Product Features

Pop-off type

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:
-40.0 degrees fahrenheit 1st response
Maximum Operating Temp:
250.0 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
Maximum Operating Pressure:
200.0 pounds per square inch single response
Thread Size:
0.250 inches 1st end
Opening Pressure Setting:
29.0 pounds per square inch
Material:
Aluminum alloy body
Material:
Aluminum alloy flow control device
Material:
Aluminum alloy seat
Media For Which Designed:
Refrigerant 12 4th response
Media For Which Designed:
Acetylene 2nd response
Media For Which Designed:
Air 1st response
Media For Which Designed:
Ammonia, gaseous 3rd response
Media For Which Designed:
Hydrogen 5th response
Style Designator:
Straight through note: to be used for valve bodies of one section only.
Thread Series Designator:
Npt 1st end
NSN:
4820-00-590-9234
Item Name:
Lock Valve Assembly
Cage Code:
91816

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
2134332-1
Cage Code:
19315
RNCC:
5
RNVC:
9
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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
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): "Lock Valve Assembly"

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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