Model: NRV250B-135B

Pressure And Temper Relief Valve

Special Features:

Used on p/n 8431400; dim o/a lg 2.250 in max; o/a w 0.875 in; storage temp range c minus 10.0 to pos c85.0 aim-9 msl

Properties:

Body Material
Brass, qq-b-626, alloy 360, 1/2h
Body Style
Single connection
Tempurature Rating
55.0 degrees celsius
Tempurature Rating
-10.0 degrees celsius
First End Connection Type
Threaded external pipe
First End Style Designator
Plain
First End Pipe Size Accommodated
0.250 inches
First End Thread Size And Series/type Designator
0.250-18 npt
First End Thread Direction
Right-hand
Flow Control Device
Disk, flat
End Connection Quantity
1
Valve Discharge Flow Rate
50.0 cubic feet per minute
Tempurature Adjustability
Not adjustable
NSN
4820-01-253-6686
Part Number
NRV250B-135B
Description
Valve,relief,pressure And Temper
CAGE
06023

A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also valve, safety relief and valve, regulating. Temperature.

Part NRV250B-135B NSN 4820-01-253-6686

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16996
FIIG:
A07100
Concept No.:
1
App. Key:
AR
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:
AB
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.2000lbs
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:
051080
UFC:
29300
LTL:
RATING VARIABLE
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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