Model: 81M-3EP 4IN

Check Valve

Properties:

Flow Control Device

Disk

Bolt Hole Quantity

8 all ends

Valve Operation Method

Automatic

Flange Shape

Round with holes all ends

Connection Type

Flange all ends

Mounting Position

Horizontal

Valve Size

4.000 inches

Outside Diameter

7.688 inches all ends

Face To Face Distance

15.000 inches

Thickness

1.000 inches all ends

Bolt Hole Diameter

0.688 inches all ends

Bolt Circle Diameter

6.562 inches all ends

Flange Face Design

Plain all ends

Style Designator

Straight through flanged ends

NSN

4820-01-093-7288

Part Number

81M-3EP 4IN

Description

Valve,check

CAGE

86184

Part 81M-3EP 4IN NSN 4820-01-093-7288

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:

150.0000lbs

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:

576

TCC:

SHC:

ACC:

Construction Materials

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