Model: 56-4900-1

Pressure And Temper Relief Valve

Special Features:

Electrical bonding per mil-b-5087b, temperature range fuel -65 degree f to 300 degree f, temperature range ambient -65 degree f to 300 degree f, pressure rating for operting 0 - 275 psid, proof 550 psid, burst 825 psid, crack 400 psid min at 20 cc/min, reseat 380 psid at 1cc/min max, leakage: external zero, internal 1cc/min max from zero to 380 psid, fluid jp4 or jp5 per mil-t-5624, flow 15 gpm at 460 psid, machined surfaces concentricities .005 tir, threads per mil-s-7742, interna radii .005 - .015, symmetries .010, camphers 45 degrees, valve length 3.30 inches, valve diameter 1.50 inches

Properties:

End Connection Quantity
1
Tempurature Adjustability
Not adjustable
End Application
Preprovisioning support navicp is poe
Part Name Assigned By Controlling Agency
Valve, refief-hot fuel recirc
NSN
4820-01-454-5006
Part Number
56-4900-1
Description
Valve,relief,pressure And Temper
CAGE
76301

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 56-4900-1 NSN 4820-01-454-5006

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:
CRITL:
F

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:
ZZ
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
77.5
WCC:
594
TCC:
Z
SHC:
9
ACC:
Equipment for Aircraft

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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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