Model: 1896M-OL-1/2X3/4-20PSI(SPCLN)

Safety Relief Valve

Special Features:

Clean per mil-std-767 and aor-767-1; inspect per mil-i-45208; ship per mil-std-129

Properties:

Thread Direction
Right-hand 2nd end
Thread Direction
Right-hand 1st end
Flow Control Device
Disk
Bonnet Type
Inside screw
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Maximum Operating Temp
450.0 degrees fahrenheit single response
Connection Style
G46b plain (pipe) 1st end
Connection Style
G9 plain, optional en (pipe) 2nd end
Connection Type
Threaded external pipe 1st end
Connection Type
Threaded internal pipe 2nd end
Maximum Operating Pressure
300.0 pounds per square inch single response
Thread Size
0.500 inches 1st end
Thread Size
0.750 inches 2nd end
Criticality Code Justification
Zzzy
Opening Pressure Setting
20.0 pounds per square inch
Material
Copper alloy
Media For Which Designed
Steam 1st response
Media For Which Designed
Air 2nd response
Thread Series Designator
Npt 2nd end
Thread Series Designator
Npt 1st end
Reference Number Differentiating Characteristics
Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications
NSN
4820-01-268-0594
Part Number
1896M-OL-1/2X3/4-20PSI(SPCLN)
Description
Valve,safety Relief
CAGE
72352

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.

Part 1896M-OL-1/2X3/4-20PSI(SPCLN) NSN 4820-01-268-0594

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

Material Classification

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
7.0 X 3.0 X 3.0
Paclk Weight:
5.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
99
LVL_A:
E
LVL_B:
Q

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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Schedule B and Export
  • Schedule B: 8481400000
  • SITC: 74740
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Safety or relief valves

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