Model: 8551-1741T25T29

Safety Relief Valve

Properties:

Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Renewable Seat Ring Type
Threaded
Valve Operation Method
Automatic
Connection Type
Flange all ends
Valve Size
0.500 inches
Adjustable Pressure Range
+5.0/+150.0 pounds per square inch
Maximum Operating Pressure
150.0 pounds per square inch single response
First Connection Face To Centerline Distance
3.000 inches
Second Connection Face To Centerline Distance
3.000 inches
Flange Face Design
Plain all ends
Material
Copper alloy stem
Material
Nickel alloy seat
Material
Nickel alloy body
Material
Plastic polyamide flow control device and plastic polytetrafluoroethylene flow control device and plastic polytrifluoroethylene flow control device
Material Specification
Qq-b-637, comp 3 federal specification single material response stem
Material Specification
Qq-n-218 federal specification single material response seat
Material Specification
Qq-n-281 federal specification single material response body
NSN
4820-01-127-1592
Part Number
8551-1741T25T29
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 8551-1741T25T29 NSN 4820-01-127-1592

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:
671
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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