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Tube To Boss Straight Adapter NSN 4730-00-001-3981

Item Description

An adapter having machine threads (straight threads other than pipe or hose series) designed to accommodate a tube on one end or an unthreaded end designed to accommodate a tube. The other end has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. It is designed to join a tube or tube fitting to a boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like. See also coupling, tube and nipple, tube.

NSN 4730-00-001-3981 NSN: 4730-00-001-3981

Features and Characteristics

Thread Class
2a 2nd end
Connection Style
Socket (tube) 1st end
Connection Type
Unthreaded internal tube 1st end
Thread Size
0.875 inches 2nd end
Seat Angle
37.0 degrees 2nd end
Outside Diameter Tube Accommodated
0.500 inches 1st end
Nominallength
1.594 inches
Material
Copper alloy
Thread Series Designator
Unf 2nd end
Furnished Items And Quantity
1 preformed packing
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
000013981
NSN
4730000013981

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
202123-8-10B
Cage Code:
00624
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7412200000
  • NAICS: 332919
  • SITC: 68272
  • Description: Copper alloy tube or pipe fittings
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 4730-00-001-3981
What are the manufacturers of nsn 4730000013981?
Does this nsn 4730000013981 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730000013981
An adapter having machine threads (straight threads other than pipe or hose series) designed to accommodate a tube on one end or an unthreaded end designed to accommodate a tube. the other end has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. it is designed to join a tube or tube fitting to a boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like. see also coupling, tube and nipple, tube.
Does nsn 4730000013981 contain any precious metals?
Precious metal content is unknown.
Does nsn 4730000013981 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730000013981?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
22675
FIIG:
A080B0
App. Key:
A
Cond. Code:
1
Status:
A

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