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Flange To Boss Straight Adapter NSN 4730-01-181-8494

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 4730-01-181-8494 NSN: 4730-01-181-8494

Features and Characteristics

Thread Class
2a 2nd end
Bolt Hole Quantity
8 1st end
End Application
41n helicopter, ch-53a/d/e
Connection Style
External seat for gasket seal (boss) 2nd end
Leg Length
0.500 inches 2nd end
Flange Shape
Round with holes 1st end
Connection Type
Threaded external boss 2nd end
Thready Qty Per Inch (tpi)
16 2nd end
Thread Size
1.250 inches 2nd end
Outside Diameter
1.625 inches 1st end
Thickness
0.125 inches 1st end
Bolt Hole Diameter
0.126 inches 1st end
Bolt Circle Diameter
0.950 inches 1st end
Flange Face Design
Plain 1st end
Nominallength
0.600 inches
Special Features
Flanged end threaded internally with 0.750-16unf-3b threads
Material
Aluminum alloy 2024
Material Specification
Qq-a-200/3 federal specification single material response
Thread Series Designator
Un 2nd end
Specification Data
62793-310e048 manufacturers specification
Nondefinitive Specification/std Data
1 figure
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
011818494
NSN
4730011818494

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
310E048-1
Cage Code:
62793
Status:
A
MSDS:
Part Number:
310E048
Cage Code:
62793
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 4730-01-181-8494
What are the manufacturers of nsn 4730011818494?
Does this nsn 4730011818494 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730011818494
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 4730011818494 contain any precious metals?
No precious metal content.
Does nsn 4730011818494 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730011818494?
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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