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Boss Reducer NSN 4730-00-289-2777

Item Description

A straight fitting having a boss connection of a different size at each end. Both connections have external 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. Excludes bushing (as modified).

NSN 4730-00-289-2777 NSN: 4730-00-289-2777

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Features and Characteristics

Thread Class
3a all ends
Reducer Type
Concentric
Maximum Operating Temp
225.0 degrees fahrenheit 1st response
Connection Style
External seat for gasket seal (boss) all ends
Connection Type
Threaded external boss all ends
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.438 inches 1st end
Nominallength
1.141 inches
Material
Aluminum alloy 2014 or aluminum alloy 2024
Material Specification
Mil-a-8625, type 6, cl 2, gold military specification single material response
Media For Which Designed
Oxygen, gaseous 2nd response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625, type 2, cl 2 military specification single treatment response
Thread Series Designator
Unjf all ends
Specification Data
96906-ms21916 government standard
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
002892777
NSN
4730002892777

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
215-26435-1
Cage Code:
80378
Status:
A
MSDS:
Part Number:
MS21916D4-3
Cage Code:
96906
Status:
A
MSDS:
Part Number:
3117151
Cage Code:
001JK
Status:
A
MSDS:
Part Number:
ER919D4-3
Cage Code:
79470
Status:
A
MSDS:
Part Number:
ER894D4-3
Cage Code:
79470
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 4730-00-289-2777
What are the manufacturers of nsn 4730002892777?
Does this nsn 4730002892777 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730002892777
A straight fitting having a boss connection of a different size at each end. both connections have external 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. excludes bushing (as modified).
Does nsn 4730002892777 contain any precious metals?
Precious metal content is unknown.
Does nsn 4730002892777 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730002892777?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
23541
FIIG:
A080B0
App. Key:
A
Cond. Code:
1
Status:
A

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