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.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

051080

UFC:

29300

LTL:

RATING VARIABLE

LCL:

WCC:

594

TCC:

SHC:

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