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Boss Reducer NSN 4730-00-278-6174

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 4730-00-278-6174 NSN: 4730-00-278-6174

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Features and Characteristics

Thread Class
3a all ends
Reducer Type
Concentric
Maximum Operating Temp
71.0 degrees celsius single response
Connection Style
Flared w/ gasket seal (boss) all ends
Connection Type
Threaded external boss all ends
Thready Qty Per Inch (tpi)
12 all ends
Thread Size
1.875 inches 1st end
Nominallength
2.406 inches
Material
Steel
Surface Treatment
Cadmium outside
Thread Series Designator
Un all ends
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
002786174
NSN
4730002786174

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AS4841
Cage Code:
81343
Status:
A
MSDS:
Part Number:
AS5174
Cage Code:
81343
Status:
A
MSDS:
Part Number:
AS5174-2420
Cage Code:
81343
Status:
A
MSDS:
Part Number:
AN919-28
Cage Code:
00624
Status:
A
MSDS:
Part Number:
MS24399-29
Cage Code:
96906
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7307992000
  • NAICS: 332919
  • SITC: 67959
  • Description: Other fittings nesoi of iron or nonalloy steel
  • End Use (Code 12110):
    Iron and steel products, other

Q & A

Frequently asked questions for NSN 4730-00-278-6174
What are the manufacturers of nsn 4730002786174?
Does this nsn 4730002786174 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730002786174
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 4730002786174 contain any precious metals?
Precious metal content is unknown.
Does nsn 4730002786174 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730002786174?
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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