Model: 277148

Safety Relief Valve

Special Features:

Weapon system essential. Features - two mtng holes 0.280 in. Dia.

Properties:

Thread Direction
Right-hand all ends
End Application
Vp2 fire/crash truck, p12 fire/crash truck, x009 rough terrain crane container, b0443 (tam) crane high spped, high mobility. Sealift support facilities program (ssfp) equipment; 4210-01-486-1035 tfft (tactical fire fighting truck)
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe all ends
Mounting Facility
Threaded fastener
Valve Size
0.250 inches
Thread Size
0.250 inches all ends
Criticality Code Justification
Feat
Opening Pressure Setting
85.0 pounds per square inch
Thread Series Designator
Npt all ends
NSN
4820-01-104-3968
Part Number
277148
Description
Valve,safety Relief
CAGE
26494

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 277148 NSN 4820-01-104-3968

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:
Y

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
1.0000lbs
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:
576
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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