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Boss Reducer NSN 4730-00-203-7494

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 4730-00-203-7494 NSN: 4730-00-203-7494

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Features and Characteristics

Thread Class
3a all ends
Reducer Type
Concentric
Maximum Operating Temp
275.0 degrees fahrenheit single response
Connection Type
Threaded external boss all ends
Thready Qty Per Inch (tpi)
12 all ends
Maximum Operating Pressure
1500.0 pounds per square inch single response
Thread Size
1.062 inches 2nd end
Nominallength
1.812 inches
Material Specification
Qq-a-225/6, t6, t62 or t851 federal specification single material response
Media For Which Designed
Hydraulic fluid single response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625, type 2, class 1 military specification single treatment response
Thread Series Designator
Unj all ends
Specification Data
81343-as21916 government standard
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
002037494
NSN
4730002037494

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AS21916
Cage Code:
81343
Status:
A
MSDS:
Part Number:
AS18280
Cage Code:
81343
Status:
A
MSDS:
Part Number:
MS21916W20-12
Cage Code:
81343
Status:
A
MSDS:
Part Number:
MS21916D20-12
Cage Code:
96906
Status:
A
MSDS:
Part Number:
ER919-25D
Cage Code:
79470
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 4730-00-203-7494
What are the manufacturers of nsn 4730002037494?
Does this nsn 4730002037494 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730002037494
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 4730002037494 contain any precious metals?
Precious metal content is unknown.
Does nsn 4730002037494 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730002037494?
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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