Model: 5S1166ALT9AND5S1179ALT8AND5S128-

Safety Relief Valve

Properties:

Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Bolt Hole Quantity
12 1st end
Maximum Operating Temp
425.0 degrees fahrenheit single response
Valve Operation Method
Automatic or manual
Flange Shape
Round with holes 1st end
Connection Type
Flange 2nd end
Connection Type
Flange 1st end
Features Provided
Pressure tight outlet side
Maximum Operating Pressure
100.0 pounds per square inch single response
Opening Pressure Setting
2.0 pounds per square inch
Outside Diameter
10.125 inches 1st end
Thickness
0.562 inches 1st end
First Connection Face To Centerline Distance
8.000 inches
Bolt Hole Diameter
0.688 inches 1st end
Second Connection Face To Centerline Distance
8.000 inches
Bolt Circle Diameter
8.875 inches 1st end
Flange Face Design
Plain 1st end
Extra Long Reference Number
5s1166alt9and5s1179alt8and5s1287alt2
Material
Copper alloy flow control device
Material
Copper alloy seat
Material
Copper alloy stem
Material
Copper alloy body
Media For Which Designed
Steam single response
Style Designator
Angle flanged ends
Reference Number Differentiating Characteristics
Elr no.
NSN
4820-00-203-7912
Part Number
5S1166ALT9AND5S1179ALT8AND5S128-
Description
Valve,safety Relief
CAGE
80064

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 5S1166ALT9AND5S1179ALT8AND5S128- NSN 4820-00-203-7912

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

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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