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Flange To Boss Straight Adapter NSN 4730-01-031-2839

Item Description

An adapter having a flange connection on one end designed to connect with another flange connection or a compression type mounting pad. 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 flange or flange fitting to boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like.

NSN 4730-01-031-2839 NSN: 4730-01-031-2839

Features and Characteristics

Thread Class
2a 2nd end
Bolt Hole Quantity
6 1st end
Connection Style
External seat for gasket seal (boss) 2nd end
Flange Shape
Round with holes 1st end
Connection Type
Threaded external boss 2nd end
Thread Size
1.875 inches 2nd end
Outside Diameter
0.500 inches 1st end
Thickness
0.437 inches 1st end
Bolt Hole Diameter
0.562 inches 1st end
Bolt Circle Diameter
3.938 inches 1st end
Flange Face Design
Plain 1st end
Nominallength
6.219 inches
Material
Copper alloy
Thread Series Designator
Unf 2nd end
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
010312839
NSN
4730010312839

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
C156SKDD963-10
Cage Code:
07309
Status:
A
MSDS:
Part Number:
525-141-142
Cage Code:
85181
Status:
A
MSDS:
Part Number:
115654001PC34
Cage Code:
07309
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 4730-01-031-2839
What are the manufacturers of nsn 4730010312839?
Does this nsn 4730010312839 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730010312839
An adapter having a flange connection on one end designed to connect with another flange connection or a compression type mounting pad. 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 flange or flange fitting to boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like.
Does nsn 4730010312839 contain any precious metals?
No precious metal content.
Does nsn 4730010312839 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730010312839?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
29653
FIIG:
A080B0
App. Key:
A
Cond. Code:
1
Status:
A

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