Model: K1249-4-27

Check Valve

Properties:

Pipe Size Accommodated

0.438 inches 2nd end

Thread Class

3a 1st end

Thread Class

3b 2nd end

Thread Direction

Right-hand 2nd end

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Disk Loading Method

Spring

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

3000.0 pounds per square inch single response

Thread Size

0.437 inches 1st end

Thread Size

0.548 inches 2nd end

Seat Angle

37.0 degrees 1st end

Outside Diameter Tube Accommodated

0.250 inches 1st end

Outside Diameter Tube Accommodated

0.250 inches 2nd end

Material

Steel comp 1110 body

Material Specification

66, aisi/sae 1110 federal standard single material response body

Media For Which Designed

Gas, inert single response

Style Designator

Straight thru

Thread Series Designator

Unf 1st end

Thread Series Designator

Unjf 2nd end

NSN

4820-00-195-5353

Part Number

K1249-4-27

Description

Valve,check

CAGE

55469

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 K1249-4-27 NSN 4820-00-195-5353

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:

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