Model: 3C4260

Check Valve

Properties:

Thread Class

3a 1st end

Thread Class

3b 2nd end

Thread Direction

Right-hand all ends

Disk Loading Method

Spring

Maximum Operating Temp

160.0 degrees fahrenheit single response

Minimum Operating Temp

-65.0 degrees fahrenheit

End Application

Aircraft, airlifter c-17a

Connection Style

Flared (tube) 1st end

Connection Style

Gasket seal (boss) 2nd end

Valve Operation Method

Automatic

Connection Type

Threaded external tube 1st end

Connection Type

Threaded internal boss 2nd end

Mounting Position

Horizontal or vertical

Maximum Operating Pressure

150.0 pounds per square inch single response

Thread Size

0.562 inches all ends

Seat Angle

37.0 degrees 1st end

Material

Steel comp 316 body

Material

Steel comp 316 flow control device

Material Specification

Qq-s-763 federal specification single material response body

Material Specification

Qq-s-763 federal specification single material response flow control device

Media For Which Designed

Water, fresh single response

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

Style Designator

Straight thru

Thread Series Designator

Unjf all ends

NSN

4820-01-421-0117

Part Number

3C4260

Description

Valve,check

CAGE

99240

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 3C4260 NSN 4820-01-421-0117

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:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8481302090
SITC: 74730
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Check valves of steel