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Boss Reducer NSN 4730-00-188-8031

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 4730-00-188-8031 NSN: 4730-00-188-8031

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Features and Characteristics

Thread Class
3b 1st end
Reducer Type
Concentric
Connection Style
Gasket seal (boss) 1st end
Connection Type
Threaded internal boss 1st end
Thread Size
0.562 inches 2nd end
Nominallength
1.109 inches
Special Features
Three 0.065 in.Min, 0.075 in.Max diameter holes drilled through hex corners, 0.344 in.From first end
Material
Steel comp 1137 or steel comp 1141
Material Specification
66 federal standard all material responses
Surface Treatment
Cadmium outside
Surface Treatment Specification
Qq-p-416, type 1, cl 2 federal specification single treatment response outside
Thread Series Designator
Unf 2nd end
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
001888031
NSN
4730001888031

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AN893-2
Cage Code:
88044
Status:
A
MSDS:
Part Number:
8168990
Cage Code:
18876
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7307994000
  • NAICS: 332919
  • SITC: 67959
  • Description: Other fittings nesoi of alloy steel not stainless
  • End Use (Code 12110):
    Iron and steel products, other

Q & A

Frequently asked questions for NSN 4730-00-188-8031
What are the manufacturers of nsn 4730001888031?
Does this nsn 4730001888031 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730001888031
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 4730001888031 contain any precious metals?
Precious metal content is unknown.
Does nsn 4730001888031 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730001888031?
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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