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Boss Reducer NSN 4730-00-585-7771

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 4730-00-585-7771 NSN: 4730-00-585-7771

Features and Characteristics

Thread Class
3b 1st end
Reducer Type
Concentric
Maximum Operating Temp
225.0 degrees fahrenheit single response
End Application
Used on sikorsky model ch-54a and ch-54b cargo transport helicopter
Connection Style
Gasket seal (boss) 1st end
Connection Type
Threaded internal boss 1st end
Thready Qty Per Inch (tpi)
12 1st end
Thread Size
0.875 inches 2nd end
Nominallength
1.984 inches
Material
Aluminum alloy 2024 or aluminum alloy 2014
Material Specification
Qq-a-225/6/t6 federal specification 1st material response or qq-a-225/4, t6 federal specification 2nd 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 2nd end
Specification Data
96906-ms21915 government standard
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
005857771
NSN
4730005857771

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MS21915D16-10
Cage Code:
96906
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 4730-00-585-7771
What are the manufacturers of nsn 4730005857771?
Does this nsn 4730005857771 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730005857771
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 4730005857771 contain any precious metals?
Precious metal content is unknown.
Does nsn 4730005857771 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730005857771?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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