Model: 3-420-01 & 340-M1-01

Vent Valve

Special Features:

Modified from standard 52-95f by being supplied without check ball. Flanges iaw ansi standard commercial specs. Supplied with 40 mesh flame screen

Properties:

Bolt Hole Quantity

8 all ends

Flange Shape

Round with holes all ends

Connection Type

Flange all ends

Valve Size

6.000 inches

Outside Diameter

11.000 inches all ends

Face To Face Distance

19.562 inches

Thickness

0.812 inches all ends

Bolt Hole Diameter

0.875 inches all ends

Bolt Circle Diameter

9.500 inches all ends

Flange Face Design

Plain all ends

Part Name Assigned By Controlling Agency

In-the-line vertical vent check valve less check ball

Material

Steel body

Material Specification

Astm a216 wcb assn standard single material response body

Media For Which Designed

Air single response

NSN

4820-01-521-8812

Part Number

3-420-01 & 340-M1-01

Description

Valve,vent

CAGE

09032

A valve designed to relieve internal pressure from gear housings, automotive axles, differentials, transmissions and the like. May or may not be threaded on one end. For items with relief pressure ratings see valve (1), safety relief.

Part 3-420-01 & 340-M1-01 NSN 4820-01-521-8812

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

35935

FIIG:

A046B0

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:

127220

UFC:

64490

LTL:

77.5

LCL:

WCC:

594

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8481809050
SITC: 74780
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Other taps, cocks, valves, etc., nesoi