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Boss Reducer NSN 4730-00-978-6983

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 4730-00-978-6983 NSN: 4730-00-978-6983

  Stock Availability

NSN 4730009786983 availability
(as of 06/23/2023).

  • NS: 183
  • NE: 446

Note: Availability of this item may have changed since it was last checked. Request a quote for an updated price and availability quote.

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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
0.875 inches 2nd end
Nominallength
1.688 inches
Material
Steel comp 304
Material Specification
Qq-s-763, cl 304 cond b, and qq-s-763, cl 316, cond b federal specification all material responses
Surface Treatment
Passivate
Thread Series Designator
Unjf 2nd end
Specification Data
96906-ms21916j16-10 government standard
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
009786983
NSN
4730009786983

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AS18280
Cage Code:
81343
Status:
A
MSDS:
Part Number:
MS21916J16-10
Cage Code:
81343
Status:
A
MSDS:
Part Number:
MIL-F-18280B
Cage Code:
81349
Status:
A
MSDS:
Part Number:
MS21916-16-10C
Cage Code:
96906
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 4730-00-978-6983
What are the manufacturers of nsn 4730009786983?
Does this nsn 4730009786983 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730009786983
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 4730009786983 contain any precious metals?
Precious metal content is unknown.
Does nsn 4730009786983 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730009786983?
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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