Boss Reducer NSN 4730-00-187-3575

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: 4730-00-187-3575

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Features and Characteristics

Thread Class

3a all ends

Reducer Type

Concentric

End Application

Attack helicopter model ah-1s; aircraft stratolifter c-135

Connection Style

Flared w/ gasket seal (boss) all ends

Connection Type

Threaded external boss all ends

Thread Size

0.438 inches 1st end

Criticality Code Justification

Feat

Nominallength

1.250 inches

Special Features

Weapon system essential

Material

Aluminum alloy 2014

Material Specification

Qq-a-225/4, t4 federal specification single material response

Surface Treatment

Anodize

Thread Series Designator

Unf all ends

Furnished Items And Quantity

2 preformed packing

Specification Data

88044-an919 government standard

FSC

4730 Railing Fittings Lubrication Tube Pipe Hose

NIIN

001873575

NSN

4730001873575

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

AS4841

Cage Code:

81343

Status:

MSDS:

Part Number:

AS5174

Cage Code:

81343

Status:

MSDS:

Part Number:

8071598

Cage Code:

18876

Status:

MSDS:

Part Number:

AN919-1D

Cage Code:

06581

Status:

MSDS:

Part Number:

273-0089-002

Cage Code:

94756

Status:

MSDS:

Part Number:

110-033-1

Cage Code:

97499

Status:

MSDS:

Part Number:

7M637DA-1D

Cage Code:

14798

Status:

MSDS:

Part Number:

AS5174D0402

Cage Code:

81343

Status:

MSDS:

Foreign Trade & Schedule B

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

Schedule B Number: 7609000000
NAICS: 332919
SITC: 68427
Description: Aluminum tube or pipe fittings (couplings,elbows sleeves)
End Use (Code 12300):
Finished metal shapes

Q & A

Frequently asked questions for NSN 4730-00-187-3575

What are the manufacturers of nsn 4730001873575?

Society Of Automotive Engineers Inc (81343)
U S Army Aviation And Missile (18876)
Allan Aircraft Supply Co, Llc (06581)
Hydro Fitting Manufacturing (13899)
Faber Enterprises, Inc. (14397)
Boeing Company, The (94756)
Eaton-aeroquip Llc. (00624)
Bell Helicopter Textron Inc. (97499)
Designed Metal Connections, Inc. (14798)
Sps Technologies, Llc (01673)
Nelson Aero Space, Inc. (52930)
Crown Fitting Co Inc (22995)
Satair A/s (R1120)
Aeronautical Standards Group (88044)
Collins Engineering Corp (71563)

Does this nsn 4730001873575 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4730001873575
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 4730001873575 contain any precious metals?
No precious metal content.

Does nsn 4730001873575 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4730001873575?
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
Quality Fast Service