Model: 28689-3

Check Valve

Properties:

Thread Direction

Right-hand 2nd end

Thread Direction

Right-hand 1st end

Flow Control Device

Ball

Connection Style

Plain (pipe) 1st end

Connection Style

Plain, optional end (pipe) 2nd end

Valve Operation Method

Automatic

Connection Type

Threaded external pipe 1st end

Connection Type

Threaded internal pipe 2nd end

Mounting Position

Horizontal

Thread Size

0.500 inches 1st end

Thread Size

0.500 inches 2nd end

Material

Stainless steel

Media For Which Designed

Fuel/oil, hydrocarbon single response

Style Designator

Straight thru

Thread Series Designator

Npt 2nd end

Thread Series Designator

Npt 1st end

NSN

4820-01-238-6979

Part Number

28689-3

Description

Valve,check

CAGE

81400

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 28689-3 NSN 4820-01-238-6979

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

Freight Class: Check valves of steel