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Boss Elbow NSN 4730-00-278-9307

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 4730-00-278-9307 NSN: 4730-00-278-9307

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Features and Characteristics

Thread Class
3b all ends
Maximum Operating Temp
225.0 degrees fahrenheit single response
Connection Style
Gasket seal (boss) all ends
Leg Length
0.656 inches 2nd end
Connection Type
Threaded internal boss all ends
Thread Size
0.562 inches 1st end
Flow Angle
45.0 degrees
Material
Steel comp 4140 or steel comp 4130
Material Specification
66, aisi/sae 4140 federal standard 1st material response or 66, aisi/sae 4130 federal standard 2nd material response
Media For Which Designed
Hydraulic fluid single response
Surface Treatment
Cadmium or oxide
Surface Treatment Specification
Qq-p-416, type 1 or type 2, cl 2 military specification 1st treatment response
Thread Series Designator
Unf all ends
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
002789307
NSN
4730002789307

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:
AS5191
Cage Code:
81343
Status:
A
MSDS:
Part Number:
AS5191-06
Cage Code:
81343
Status:
A
MSDS:
Part Number:
AN941-6
Cage Code:
00624
Status:
A
MSDS:
Part Number:
AN928-6
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: 7307929000
  • NAICS: 332919
  • SITC: 67959
  • Description: Threaded elbows and bends of iron or steel (other than cast iron or stainless steel) for pipes and tubes
  • End Use (Code 12110):
    Iron and steel products, other

Q & A

Frequently asked questions for NSN 4730-00-278-9307
What are the manufacturers of nsn 4730002789307?
Does this nsn 4730002789307 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730002789307
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 4730002789307 contain any precious metals?
Precious metal content is unknown.
Does nsn 4730002789307 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730002789307?
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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