Boss Reducer NSN 4730-00-978-6975

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: 4730-00-978-6975

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Features and Characteristics

Thread Class

3b 1st end

Reducer Type

Concentric

Maximum Operating Temp

275.0 degrees fahrenheit single response

Connection Style

Gasket seal (boss) 1st end

Connection Type

Threaded internal boss 1st end

Thready Qty Per Inch (tpi)

12 all ends

Maximum Operating Pressure

1500.0 pounds per square inch single response

Thread Size

1.062 inches 2nd end

Nominallength

2.156 inches

Material

Steel comp 302 or steel comp 303 or steel comp 304 or steel comp 316 or steel comp 321

Material Specification

66 federal standard single material response

Media For Which Designed

Aeronautical fluid single response

Surface Treatment

Passivate

Surface Treatment Specification

Mil-s-5002 military specification single treatment response

Thread Series Designator

Unj all ends

Specification Data

96906-ms21915 government standard and 81349-mil-f-18280 government specification

FSC

4730 Railing Fittings Lubrication Tube Pipe Hose

NIIN

009786975

NSN

4730009786975

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

MS21915-20-12

Cage Code:

96906

Status:

MSDS:

Part Number:

AS21915

Cage Code:

81343

Status:

MSDS:

Part Number:

AS18280

Cage Code:

81343

Status:

MSDS:

Part Number:

MS21915J20-12

Cage Code:

81343

Status:

MSDS:

Part Number:

MIL-F-18280

Cage Code:

81349

Status:

MSDS:

Part Number:

MS21915-20-12J

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: 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 4730-00-978-6975

What are the manufacturers of nsn 4730009786975?

Military Standards (96906)
Society Of Automotive Engineers Inc (81343)
Military Specifications (81349)

Does this nsn 4730009786975 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4730009786975
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 4730009786975 contain any precious metals?
Precious metal content is unknown.

Does nsn 4730009786975 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4730009786975?
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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Certificate of Conformance
Quality Inspected Parts
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