Model: D4274

Vent Plug

Special Features:

Part name assigned by manufacturer is ventilator

Properties:

Inside Diameter

Between 0.185 inches and 0.189 inches

Outside Diameter

Between 0.297 inches and 0.303 inches

Length

0.229 inches

End Connection Type

Unthreaded

Refinement Medium Type

Filtering

Refinement Device Type

Filter disk

Vent Hole Shape

Round

Material

Copper alloy

NSN

5340-01-440-0996

Part Number

D4274

Description

Plug,vent

CAGE

57771

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 D4274 NSN 5340-01-440-0996

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:

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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