Model: A-331

Vent Plug

Special Features:

Includes sintered metal insert

Properties:

End Application

End item nsn: 5410-01-441-8054 chemical biological protective shelter (cbps)

End Connection Type

Threaded

Part Name Assigned By Controlling Agency

Plug, filter vent

Material

Plastic polyamide

Thread Size And Series/type Designator

0.-27 npt

NSN

5340-01-536-5477

Part Number

A-331

Description

Plug,vent

CAGE

85274

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 A-331 NSN 5340-01-536-5477

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

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:

095190

UFC:

49790

LTL:

RATING VARIABLE

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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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