Model: 491989

Vent Plug

Properties:

Thread Class

Inside Diameter

Between 0.740 inches and 0.760 inches

Thread Length

Between 0.320 inches and 0.356 inches

Outside Diameter

Between 0.990 inches and 1.130 inches

Length

Between 1.075 inches and 1.095 inches

Vent Hole Diameter

Between 0.060 inches and 0.080 inches

End Connection Type

Threaded

Vent Hole Quantity

Vent Hole Shape

Round

Material

Stainless steel

Thread Size And Series/type Designator

0.750-16 unf

Fsc Application Data

Control assembly, pressure ratio bleed, aircraft engine, 2995001398687 743548

NSN

5340-00-915-9656

Part Number

491989

Description

Plug,vent

CAGE

77445

A ported item with or without external threads. The port(s) may contain a filtering disk or wire fabric. It is designed to be inserted into an opening in a cylinder, pump, regulator, valve, housing, casing, or the like, to permit the free flow of fluid from or to the atmosphere. Excludes breather.

Part 491989 NSN 5340-00-915-9656

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

28458

FIIG:

A539T0

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:

052190

UFC:

30000

LTL:

RATING VARIABLE

LCL:

50.0

WCC:

576

TCC:

SHC:

ACC:

Equipment for Aircraft

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Schedule B and Export

Schedule B: 8421990080
SITC: 74395
End Use: Industrial machines, other
NAICS: 333999
USDA: 1

Freight Class: Parts of machinery and apparatus for filtering or purifying liquids and gases, nesoi