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Boss Reducer NSN 4730-00-826-3421

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 4730-00-826-3421 NSN: 4730-00-826-3421

Features and Characteristics

Thread Class
3a all ends
Reducer Type
Concentric
Connection Style
External seat for gasket seal (boss) all ends
Connection Type
Threaded external boss all ends
Thready Qty Per Inch (tpi)
12 1st end
Thread Size
1.062 inches 1st end
Nominallength
1.688 inches
Material
Steel comp 304
Material Specification
66 federal standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Mil-s-5002 military specification single treatment response inside
Thread Series Designator
Unjf 2nd end
Specification Data
96906-ms21916 government standard
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
008263421
NSN
4730008263421

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MS21916-12-10C
Cage Code:
96906
Status:
A
MSDS:
Part Number:
AS21916
Cage Code:
81343
Status:
A
MSDS:
Part Number:
54M-MS21916-12-
Cage Code:
28953
Status:
A
MSDS:
Part Number:
MS21916J12-10
Cage Code:
81343
Status:
A
MSDS:
Part Number:
R44116P-1210
Cage Code:
50599
Status:
A
MSDS:
Part Number:
JCM-15233-045
Cage Code:
58905
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 4730-00-826-3421
What are the manufacturers of nsn 4730008263421?
Does this nsn 4730008263421 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730008263421
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 4730008263421 contain any precious metals?
No precious metal content.
Does nsn 4730008263421 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730008263421?
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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