Boss Reducer NSN 4730-01-392-2426

Item Description

A straight fitting having a boss connection of a different size at each end. Both connections have external or internal machine threads (straight threads other than pipe or hose series) and are designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. Excludes bushing (as modified).

NSN: 4730-01-392-2426

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Features and Characteristics

Thread Class

3a 1st end

Reducer Type

Concentric

End Application

Aircraft; av-8b, a-7, tav-8b, ta-7

Connection Style

Plain (tube) 2nd end

Connection Type

Threaded external tube 2nd end

Thread Size

0.438 inches 1st end

Outside Diameter Tube Accommodated

0.250 inches 1st end

Nominallength

1.100 inches

Special Features

Differentiated by altered item drawing cage 51998 (universal propulsion co., inc

Material

Steel comp 304

Surface Treatment

Passivate

Special Test Features

Differentiated by second end altered by removing flared tube portion; gasket seal one end only; 88044-an919-2 (mod) govt standard.

Surface Treatment Specification

Mil-s-5002 military specification single treatment response

Thread Series Designator

Unf 2nd end

FSC

4730 Railing Fittings Lubrication Tube Pipe Hose

NIIN

013922426

NSN

4730013922426

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

AN919-2J(MOD)

Cage Code:

88044

Status:

MSDS:

Part Number:

21433-11

Cage Code:

31218

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 7307994000
NAICS: 332919
SITC: 67959
Description: Other fittings nesoi of alloy steel not stainless
End Use (Code 12110):
Iron and steel products, other

Q & A

Frequently asked questions for NSN 4730-01-392-2426

What are the manufacturers of nsn 4730013922426?

Aeronautical Standards Group (88044)
Ami Industries, Inc. (31218)
Universal Propulsion Company Inc (51998)

Does this nsn 4730013922426 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4730013922426
A straight fitting having a boss connection of a different size at each end. both connections have external or internal machine threads (straight threads other than pipe or hose series) and are designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. excludes bushing (as modified).

Does nsn 4730013922426 contain any precious metals?
No precious metal content.

Does nsn 4730013922426 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4730013922426?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

23541

FIIG:

A080B0

App. Key:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
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