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Boss Coupling NSN 4730-00-278-8866

Item Description

A straight one-piece fitting 12 inches (304 mm) long or under having the same size fitting on each end (straight machine threads other than pipe or hose series). It may have internal threads on both ends or internal threads on one end and external threads on the other designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It is designed to join two bosses or boss fittings. Excludes items having external threaded connections on both ends.

NSN 4730-00-278-8866 NSN: 4730-00-278-8866

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Features and Characteristics

Thread Class
3b all ends
Connection Style
Gasket seal (boss) all ends
Connection Type
Threaded internal boss all ends
Thready Qty Per Inch (tpi)
12 all ends
Thread Size
1.062 inches all ends
Nominallength
1.828 inches
Special Features
Grumman a-10 aircraft
Material
Steel
Surface Treatment
Cadmium outside
Style Designator
Rigid, short center wrenching facility
Thread Series Designator
Un all ends
Specification Data
81343-as4875 professional/industrial association standard and 80205-nas424 professional/industrial association standard
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
002788866
NSN
4730002788866

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AS4875
Cage Code:
81343
Status:
A
MSDS:
Part Number:
NAS424-12
Cage Code:
80205
Status:
A
MSDS:
Part Number:
MIL-F-5509
Cage Code:
81349
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 4730-00-278-8866
What are the manufacturers of nsn 4730002788866?
Does this nsn 4730002788866 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730002788866
A straight one-piece fitting 12 inches (304 mm) long or under having the same size fitting on each end (straight machine threads other than pipe or hose series). it may have internal threads on both ends or internal threads on one end and external threads on the other designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. it is designed to join two bosses or boss fittings. excludes items having external threaded connections on both ends.
Does nsn 4730002788866 contain any precious metals?
Precious metal content is unknown.
Does nsn 4730002788866 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730002788866?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
26953
FIIG:
A080B0
App. Key:
A
Cond. Code:
1
Status:
A

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