Model: A305

Check Valve

Properties:

Flow Control Device

Disk

Bolt Hole Quantity

6 all ends

Valve Operation Method

Automatic

Flange Shape

Round with holes all ends

Connection Type

Flange all ends

Mounting Position

Horizontal

Maximum Operating Pressure

100.0 pounds per square inch single response

Outside Diameter

6.125 inches all ends

Face To Face Distance

6.312 inches

Thickness

0.938 inches all ends

Bolt Hole Diameter

0.562 inches all ends

Bolt Circle Diameter

5.000 inches all ends

Flange Face Design

Plain all ends

Material

Copper alloy

Media For Which Designed

Water-oil-gas single response

Style Designator

Straight thru

Nondefinitive Specification/std Data

B type and 1 class

NSN

4820-00-064-2270

Part Number

A305

Description

Valve,check

CAGE

95321

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 A305 NSN 4820-00-064-2270

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:

35.0000lbs

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:

Construction Materials

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Schedule B and Export

Schedule B: 8481301010
SITC: 74730
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

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