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Boss Elbow NSN 4730-00-277-2456

Item Description

A fitting that forms an angle of less than 180 degrees (3.141 radians) from the straight flow. The boss connections have external and/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. It may have side or heel inlet(s). It is designed to join two bosses or boss fittings on items such as tanks, housings, valve fittings, and the like. Excludes elbow, tube.

NSN 4730-00-277-2456 NSN: 4730-00-277-2456

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Features and Characteristics

Thread Class
3b all ends
End Application
Helicopter, utility-tactical transport, uh-1 and eh- (bell)
Connection Style
Gasket seal (boss) all ends
Leg Length
0.812 inches all ends
Connection Type
Threaded internal boss all ends
Thread Size
0.500 inches all ends
Flow Angle
90.0 degrees
Material
Aluminum alloy
Surface Treatment
Anodize
Thread Series Designator
Unjf all ends
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
002772456
NSN
4730002772456

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AS5190W05
Cage Code:
88044
Status:
A
MSDS:
Part Number:
AN939
Cage Code:
88044
Status:
A
MSDS:
Part Number:
AN939D5
Cage Code:
00624
Status:
A
MSDS:
Part Number:
NA939D5
Cage Code:
50948
Status:
A
MSDS:
Part Number:
3117206
Cage Code:
001JK
Status:
A
MSDS:
Part Number:
AN927D5
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: 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 4730-00-277-2456
What are the manufacturers of nsn 4730002772456?
Does this nsn 4730002772456 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730002772456
A fitting that forms an angle of less than 180 degrees (3.141 radians) from the straight flow. the boss connections have external and/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. it may have side or heel inlet(s). it is designed to join two bosses or boss fittings on items such as tanks, housings, valve fittings, and the like. excludes elbow, tube.
Does nsn 4730002772456 contain any precious metals?
Precious metal content is unknown.
Does nsn 4730002772456 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730002772456?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
22676
FIIG:
A080B0
App. Key:
A
Cond. Code:
1
Status:
A

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