Model: 85500000-DS-G-74893 SH1D

Safety Relief Valve

Properties:

Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Valve Discharge Flow Rate
347.0 gallons per minute
Bolt Hole Quantity
4 all ends
End Application
Strategic sealift conversion ships class
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Valve Size
1.000 inches
Maximum Operating Pressure
225.0 pounds per square inch single response
Opening Pressure Setting
60.0 pounds per square inch
Outside Diameter
4.750 inches 2nd end
Outside Diameter
5.875 inches 1st end
Thickness
0.875 inches 2nd end
Thickness
1.125 inches 1st end
First Connection Face To Centerline Distance
4.000 inches
Bolt Hole Diameter
0.875 inches 2nd end
Bolt Hole Diameter
1.000 inches 1st end
Second Connection Face To Centerline Distance
4.250 inches
Bolt Circle Diameter
3.250 inches 2nd end
Bolt Circle Diameter
4.000 inches 1st end
Flange Face Design
Raised straight all ends
Raised Face Height
0.250 inches all ends
Raised Face Diameter
1.375 inches 2nd end
Raised Face Diameter
2.000 inches 1st end
Material
Steel body
Material
Stainless steel flow control device
Material
Stainless steel seat
Media For Which Designed
Air single response
NSN
4820-01-439-5411
Part Number
85500000-DS-G-74893 SH1D
Description
Valve,safety Relief
CAGE
15187

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 85500000-DS-G-74893 SH1D NSN 4820-01-439-5411

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:
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:
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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