Model: NMP-612

Safety Relief Valve

Properties:

Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Bolt Hole Quantity
8 all ends
Maximum Operating Temp
425.0 degrees fahrenheit single response
Valve Operation Method
Automatic or manual
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Mounting Facility
Bracket
Valve Size
4.000 inches
Adjustable Pressure Range
+71.0/+100.0 pounds per square inch
Maximum Operating Pressure
100.0 pounds per square inch single response
Opening Pressure Setting
71.0 pounds per square inch
Outside Diameter
7.6875 inches all ends
Thickness
0.500 inches all ends
First Connection Face To Centerline Distance
7.000 inches
Bolt Hole Diameter
0.5625 inches all ends
Second Connection Face To Centerline Distance
6.000 inches
Bolt Circle Diameter
6.5625 inches all ends
Flange Face Design
Plain all ends
Part Name Assigned By Controlling Agency
4 x 4 modle l-2210-c relief valve
Material
Bronze body
Material
Nickel alloy stem
Material
Nickel alloy flow control device
Material Specification
Mil-b-16541 military specification single material response body
Material Specification
Qq-n-281 assn standard single material response stem
Material Specification
Qq-n-288 assn standard single material response flow control device
Media For Which Designed
Water, salt single response
Specification Data
81349-mil-v-20065 type a-1 class c government specification
NSN
4820-01-502-1447
Part Number
NMP-612
Description
Valve,safety Relief
CAGE
01343

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 NMP-612 NSN 4820-01-502-1447

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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