Model: 250120

Check Valve

Special Features:

Weapon system essential

Properties:

Thread Class

3a 2nd end

Thread Class

3a 1st end

Thread Direction

Right-hand 2nd end

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Disk Loading Method

Spring

Connection Style

External seat for gasket seal (boss) 1st end

Connection Style

External seat for gasket seal (boss) 2nd end

Valve Operation Method

Automatic

Connection Type

Threaded external tube 1st end

Connection Type

Threaded external tube 2nd end

Mounting Position

Horizontal

Maximum Operating Pressure

300.0 pounds per square inch single response

Thread Size

0.750 inches 2nd end

Thread Size

0.875 inches 1st end

Seat Angle

37.0 degrees 1st end

Seat Angle

37.0 degrees 2nd end

Criticality Code Justification

Feat

Outside Diameter Tube Accommodated

0.500 inches 2nd end

Outside Diameter Tube Accommodated

0.625 inches 1st end

Material

Aluminum alloy

Media For Which Designed

Fuel/oil, hydrocarbon single response

Surface Treatment

Anodize

Style Designator

Straight thru

Thread Series Designator

Unf 1st end

Thread Series Designator

Unf 2nd end

NSN

4820-01-039-3626

Part Number

250120

Description

Valve,check

CAGE

53730

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 250120 NSN 4820-01-039-3626

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:

127220

UFC:

64490

LTL:

77.5

LCL:

77.5

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