Model: L83085

Check Valve

Special Features:

W/self-locking screw; max od 4.000 in.; all cres parts are passivate per mil-s-5002; 11.0 psig proof pressure; cracking pressure 1 in.To 6 in.Of fuel

Properties:

Flow Control Device
Poppet
Bolt Hole Quantity
4 1st end
Maximum Operating Temp
165.0 degrees fahrenheit single response
Minimum Operating Temp
-65.0 degrees fahrenheit
End Application
Aircraft, fighter; grumman, ea6a/b
Width
2.818 inches 1st end
Length
3.000 inches 1st end
Valve Operation Method
Automatic
Flange Shape
Rectangular with holes 1st end
Connection Type
Flange 1st end
Mounting Facility
Bulkhead
Mounting Position
Horizontal
Maximum Operating Pressure
7.0 pounds per square inch single response
Thickness
0.690 inches 1st end
Bolt Hole Diameter
0.260 inches 1st end
Center To Center Distance Between Bolt Holes Along Length
2.375 inches 1st end
Center To Center Distance Between Bolt Holes Along Width
2.375 inches 1st end
Flange Face Design
Plain 1st end
Part Name Assigned By Controlling Agency
Valve assembly, ram air inlet
Material
Aluminum alloy body
Material
Steel comp 303 flow control device
Material Specification
Astm a482/582 assn standard single material response flow control device
Material Specification
Qq-a-225/6 federal specification single material response body
Media For Which Designed
Air 1st response
Media For Which Designed
Fuel/oil, hydrocarbon 2nd response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625 military standard single treatment response
Style Designator
Straight thru
Furnished Items And Quantity
1 spring
NSN
4820-01-447-3006
Part Number
L83085
Description
Valve,check
CAGE
01178

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Part L83085 NSN 4820-01-447-3006

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05487
FIIG:
A530B0
Concept No.:
1
App. Key:
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:
0.1000lbs
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:
Equipment for Aircraft

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Schedule B and Export
  • Schedule B: 8481309000
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of materials other than copper, iron or steel

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