Model: 524-1 3-4INL1

Stop-check Valve

Properties:

Pipe Size Accommodated

0.750 inches 1st end

Flow Control Device

Disk

Bonnet Type

Inside screw

Bonnet Attachment Method

Union

Renewable Seat Ring Type

Threaded

Maximum Operating Temp

150.0 degrees fahrenheit single response

Connection Style

Socket with brazing ring (pipe) 1st end

Valve Operation Method

Manual

Connection Type

Unthreaded internal pipe 1st end

Mounting Position

Horizontal

Features Provided

Bonnet packing

Maximum Operating Pressure

700.0 pounds per square inch single response

Criticality Code Justification

Zzzy

Material

Copper alloy 922 body

Material

Nickel alloy 400 stem or nickel alloy r-405 stem

Media For Which Designed

Water-oil-gas single response

Style Designator

Straight thru

Reference Number Differentiating Characteristics

Quality assurance testing in accordance with navy level 1 assurance guide

NSN

4820-00-922-8424

Part Number

524-1 3-4INL1

Description

Valve,stop-check

CAGE

03950

A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also valve (1), lift-check and valve (1), stop-lift-check.

Part 524-1 3-4INL1 NSN 4820-00-922-8424

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05486

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:

7.5 X 4.3 X 4.3

Paclk Weight:

4.0000lbs

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: 8481301090
SITC: 74730
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Check valves of copper having a pressure rating of 850 kpa or over