Model: MS28893-D4-3750

Safety Relief Valve

Properties:

Thread Class
3b all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Disk Loading Method
Spring
Valve Discharge Flow Rate
2.5 gallons per minute
Connection Style
G4 gasket sea (boss) all ends
Connection Style
Gasket sea (boss) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal boss all ends
Adjustable Pressure Range
+2300.0/+3850.0 pounds per square inch
Maximum Operating Pressure
3850.0 pounds per square inch single response
Thread Size
0.438 inches all ends
Opening Pressure Setting
3750.0 pounds per square inch
Media For Which Designed
Hydraulic fluid, petroleum base single response
Style Designator
Straight through note: to be used for valve bodies of one section only.
Thread Series Designator
Unf all ends
NSN
4820-00-228-1689
Part Number
MS28893-D4-3750
Description
Valve,safety Relief
CAGE
96906

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 MS28893-D4-3750 NSN 4820-00-228-1689

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:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
A
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:
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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