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Boss Reducer NSN 4730-00-555-1860

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 4730-00-555-1860 NSN: 4730-00-555-1860

Features and Characteristics

Thread Class
3a all ends
Reducer Type
Concentric
End Application
Aircraft application
Connection Style
Flared w/ gasket seal (boss) all ends
Connection Type
Threaded external boss all ends
Thready Qty Per Inch (tpi)
12 1st end
Thread Size
1.062 inches 1st end
Nominallength
1.891 inches
Material
Steel comp 304
Material Specification
66 federal standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Mil-s-5002 military specification single treatment response inside
Thread Series Designator
Unf 2nd end
Specification Data
88044-an919 government standard
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
005551860
NSN
4730005551860

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AN919-19J
Cage Code:
00624
Status:
A
MSDS:
Part Number:
AS4841
Cage Code:
81343
Status:
A
MSDS:
Part Number:
AS5174J1208
Cage Code:
81343
Status:
A
MSDS:
Part Number:
AN919-19C
Cage Code:
88044
Status:
A
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 4730-00-555-1860
What are the manufacturers of nsn 4730005551860?
Does this nsn 4730005551860 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730005551860
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 4730005551860 contain any precious metals?
No precious metal content.
Does nsn 4730005551860 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730005551860?
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:
A
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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