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Boss Nipple NSN 4730-00-618-7399

Item Description

A straight, one-piece fitting used to join two bosses or boss fittings. Both ends are the same size and have external machine threads (straignt threads other than pipe or hose series). It is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. The center section may be suitably shaped to accommodate a wrench.

NSN 4730-00-618-7399 NSN: 4730-00-618-7399

Features and Characteristics

Thread Class
3a all ends
Connection Style
Flared w/ gasket seal (boss) all ends
Connection Type
Threaded external tube all ends
Thread Size
0.750 inches all ends
Seat Angle
37.0 degrees all ends
Outside Diameter Tube Accommodated
0.500 inches all ends
Nominallength
1.288 inches
Part Name Assigned By Controlling Agency
Union, flared tube
Special Features
Three holes, 0.0625 in.Dia, drilled in center hex section; center wrenching facility suitable for gasket application
Material
Steel comp 304
Material Specification
66 federal standard single material response
Surface Treatment
Passivate outside
Surface Treatment Specification
Mil-s-5002 military specification single treatment response inside
Style Designator
Flared w/ center wrenching facility
Thread Series Designator
Unjf all ends
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
006187399
NSN
4730006187399

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AS4841
Cage Code:
81343
Status:
A
MSDS:
Part Number:
AS5174
Cage Code:
81343
Status:
A
MSDS:
Part Number:
AS5174J0808
Cage Code:
81343
Status:
A
MSDS:
Part Number:
AN815-8J
Cage Code:
32382
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 4730-00-618-7399
What are the manufacturers of nsn 4730006187399?
Does this nsn 4730006187399 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730006187399
A straight, one-piece fitting used to join two bosses or boss fittings. both ends are the same size and have external machine threads (straignt threads other than pipe or hose series). it is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. the center section may be suitably shaped to accommodate a wrench.
Does nsn 4730006187399 contain any precious metals?
No precious metal content.
Does nsn 4730006187399 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730006187399?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
26952
FIIG:
A080B0
App. Key:
A
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
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