Model: 11-NS-0866

Safety Relief Valve

Properties:

Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Bolt Hole Quantity
6 1st end
Bolt Hole Quantity
6 2nd end
Maximum Operating Temp
150.0 degrees fahrenheit single response
Valve Operation Method
Automatic or manual
Flange Shape
Round with holes 1st end
Flange Shape
Round with holes 2nd end
Connection Type
Flange 2nd end
Connection Type
Flange 1st end
Valve Size
2.500 inches
Adjustable Pressure Range
+112.0/+128.0 pounds per square inch
Maximum Operating Pressure
500.0 pounds per square inch single response
Outside Diameter
6.125 inches 1st end
Outside Diameter
6.125 inches 2nd end
Thickness
0.500 inches 1st end
Thickness
0.937 inches 2nd end
First Connection Face To Centerline Distance
5.500 inches
Bolt Hole Diameter
0.562 inches 1st end
Bolt Hole Diameter
0.687 inches 2nd end
Second Connection Face To Centerline Distance
5.000 inches
Bolt Circle Diameter
5.000 inches 1st end
Bolt Circle Diameter
5.000 inches 2nd end
Flange Face Design
Plain 1st end
Flange Face Design
Plain 2nd end
Material
Copper alloy body
Material
Nickel alloy seat
Material
Nickel alloy stem
Material
Nickel alloy flow control device
Material Specification
Mil-c-20159c military specification single material response body
Material Specification
Qq-n-281 federal specification single material response flow control device
Material Specification
Qq-n-281 federal specification single material response stem
Material Specification
Qq-n-288 comp a federal specification single material response seat
Specification Data
81349 - mil-v-24332 government specification
NSN
4820-01-506-8909
Part Number
11-NS-0866
Description
Valve,safety Relief
CAGE
96169

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 11-NS-0866 NSN 4820-01-506-8909

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:
A
ESD:
A
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:
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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