Model: MIL-V-7899

Check Valve

Properties:

Disk Loading Method

Spring

Renewable Seat Ring Type

Pressed-in

Minimum Operating Temp

-67.0 degrees fahrenheit

Connection Style

Flare (tube) all ends

Valve Operation Method

Automatic

Connection Type

Threaded internal tube all ends

Mounting Position

Horizontal

Outside Diameter Tube Accommodated

1.500 inches all ends

Part Name Assigned By Controlling Agency

Valve, check, aircraft fuel system and valve, fuel check, low pressure flared tube connection

Material

Aluminum alloy body

Material

Rubber seat

Surface Treatment

Anodize

Surface Treatment Specification

Mil-a-8625 military specification single treatment response

Style Designator

Angle

NSN

4820-01-521-8103

Part Number

MIL-V-7899

Description

Valve,check

CAGE

81349

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 MIL-V-7899 NSN 4820-01-521-8103

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:

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:

Trailers/Vehicles

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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