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Pipe To Boss Straight Adapter NSN 4730-01-091-8991

Item Description

An adapter having standard pipe threads on one end or an unthreaded end designed to accommodate a pipe. 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 pipe or pipe fitting to a boss or boss fitting in a straight line on items such as tanks, housing, valve fittings, or the like. See also adapter bushing and coupling, pipe.

NSN 4730-01-091-8991 NSN: 4730-01-091-8991

Features and Characteristics

Pipe Size Accommodated
0.250 inches 1st end
Thread Class
2a 2nd end
Connection Style
Socket brazing ring (pipe) 1st end
Connection Type
Unthreaded internal pipe 1st end
Thready Qty Per Inch (tpi)
2a 2nd end
Maximum Operating Pressure
700.0 pounds per square inch single response
Thread Size
0.750 inches 2nd end
Union Joint Location
First end
Pipe Wall Thickness Designation For Which Designed
Schedule 80 1st end
Nominallength
4.625 inches
Material
Nickel alloy
Material Specification
Qq-n-281 federal specification single material response and qq-n-286 federal specification single material response
Thread Series Designator
Un 2nd end
Furnished Items And Quantity
2 preformed packing and 1 nut assembly and 1 tailpiece
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
010918991
NSN
4730010918991

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
502-4685964ITEM
Cage Code:
80064
Status:
A
MSDS:
Part Number:
15-97-0277
Cage Code:
96169
Status:
A
MSDS:
Part Number:
2621-021-01ASSY97
Cage Code:
96169
Status:
A
MSDS:
Part Number:
2621-021-01
Cage Code:
96169
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7507200000
  • NAICS: 332919
  • SITC: 68322
  • Description: Tube or pipe fittings of nickel
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 4730-01-091-8991
What are the manufacturers of nsn 4730010918991?
Does this nsn 4730010918991 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730010918991
An adapter having standard pipe threads on one end or an unthreaded end designed to accommodate a pipe. 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 pipe or pipe fitting to a boss or boss fitting in a straight line on items such as tanks, housing, valve fittings, or the like. see also adapter bushing and coupling, pipe.
Does nsn 4730010918991 contain any precious metals?
Precious metal content is unknown.
Does nsn 4730010918991 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730010918991?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
22674
FIIG:
A080B0
App. Key:
A
Cond. Code:
1
Status:
A

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