Model: 280298-03

Safety Relief Valve

Properties:

Flow Control Device
Poppet
Valve Operation Method
Manual
Adjustable Pressure Range
+20.0 to 50.0 pounds per square inch
Maximum Operating Pressure
50.0 pounds per square inch single response
Material
Copper alloy 464 body
Material
Plastic polytetrafluoroethylene seat
Material
Steel comp 303 flow control device
Material Specification
Ams3651 assn standard single material response seat
Material Specification
Qq-b-637 federal specification single material response body
Material Specification
Qq-s-764 federal specification single material response flow control device
Style Designator
C1 angle
NSN
4820-01-221-4268
Part Number
280298-03
Description
Valve,safety Relief
CAGE
99657

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 280298-03 NSN 4820-01-221-4268

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:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
5.5 X 4.0 X 4.0
Paclk Weight:
4.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
A
SPI No.:
SPI Rev.:
SPC Mkg:
24
LVL_A:
E
LVL_B:
F

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:
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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