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Boss Elbow NSN 4730-00-278-3683

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 4730-00-278-3683 NSN: 4730-00-278-3683

  Stock Availability

NSN 4730002783683 availability
(as of 09/25/2020).

  • NE: 158
  • NS: 53
  • SV: 2
  • AR: 1

Note: Availability of this item may have changed since it was last checked. Request a quote for an updated price and availability quote.

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Features and Characteristics

Thread Class
3b all ends
Maximum Operating Temp
380.0 degrees fahrenheit 1st response
Connection Style
Gasket seal (boss) all ends
Leg Length
0.812 inches all ends and 0.830 inches all ends
Connection Type
Threaded internal boss all ends
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.562 inches all ends
Flow Angle
90.0 degrees
Criticality Code Justification
Feat
Special Features
Weapon system essential
Material
Aluminum alloy 2014 or aluminum alloy 7075
Material Specification
Qq-a-367, t6 federal specification 1st material response or qq-a-367, t73 federal specification 2nd material response
Media For Which Designed
Oxygen, gaseous 2nd response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625, type 2, class 2 military specification single treatment response
Thread Series Designator
Unjf all ends
Specification Data
88044-an939 government standard and 81349-mil-f-5509 government specification
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
002783683
NSN
4730002783683

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AS5190W06
Cage Code:
81343
Status:
A
MSDS:
Part Number:
AN939D6
Cage Code:
30974
Status:
A
MSDS:
Part Number:
MIL-F-5509
Cage Code:
81349
Status:
A
MSDS:
Part Number:
AN927-6D
Cage Code:
88044
Status:
A
MSDS:
Part Number:
AN927D6
Cage Code:
88044
Status:
A
MSDS:
Part Number:
7145696
Cage Code:
19204
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 4730-00-278-3683
What are the manufacturers of nsn 4730002783683?
Does this nsn 4730002783683 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730002783683
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 4730002783683 contain any precious metals?
Precious metal content is unknown.
Does nsn 4730002783683 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730002783683?
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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