Model: 3-1660FB

Vent Valve

Special Features:

Includes flame screen and protective screen; out to atmosphere

Properties:

End Application

Overhaul/availability ffg43

Flange Shape

Round with holes 1st end

Connection Type

Flange 1st end

Outside Diameter

7.500 inches 1st end

Flange Face Design

Plain 1st end

Part Name Assigned By Controlling Agency

Tank air escape

Material

Bronze body

Media For Which Designed

Air 1st response

NSN

4820-01-558-8123

Part Number

3-1660FB

Description

Valve,vent

CAGE

79128

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 3-1660FB NSN 4820-01-558-8123

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