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Self-sealing Coupling Half NSN 4730-01-201-3921

Item Description

A fluid line fitting having a pipe, tube or hose connection or a through hole to accommodate a bolt, fluid passage on one end. The other end must have an external or internal thread for connecting a mating part to form a self-sealing coupling assembly. The fitting has either a self-sealing feature for the purpose of automatically shutting off the flow of fluid when disconnected from its mating half, or, if it has no self-sealing feature, is specifically designed to mate with a fitting with a self-sealing feature. For self-sealing fittings with a quick disconnect end, see coupling half, quick disconnect. For fluid line fittings without a self-sealing feature, see coupling (as modified).

NSN 4730-01-201-3921 NSN: 4730-01-201-3921

Features and Characteristics

Thread Class
2b all ends
Overall Length
1.370 inches
Connection Style
Boss gasket seal all ends
Connection Type
Threaded internal boss first fluid end connection
Thread Size
0.750 inches all ends
Criticality Code Justification
Zzzy
Material
Steel body
Style Designator
Male coupling half
Thread Series Designator
Unf all ends
Reference Number Differentiating Characteristics
Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
012013921
NSN
4730012013921

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
5400-S2-8
Cage Code:
01276
Status:
A
MSDS:
Part Number:
845-1889863 PC 111
Cage Code:
80064
Status:
A
MSDS:
Part Number:
2620-219X1 PC111
Cage Code:
96169
Status:
A
MSDS:
Part Number:
845-2445071ITEM9
Cage Code:
80064
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7307199030
  • NAICS: 331511
  • SITC: 67952
  • Description: Unions, pipe, of iron or steel, cast
  • End Use (Code 12110):
    Iron and steel products, other

Q & A

Frequently asked questions for NSN 4730-01-201-3921
What are the manufacturers of nsn 4730012013921?
Does this nsn 4730012013921 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730012013921
A fluid line fitting having a pipe, tube or hose connection or a through hole to accommodate a bolt, fluid passage on one end. the other end must have an external or internal thread for connecting a mating part to form a self-sealing coupling assembly. the fitting has either a self-sealing feature for the purpose of automatically shutting off the flow of fluid when disconnected from its mating half, or, if it has no self-sealing feature, is specifically designed to mate with a fitting with a self-sealing feature. for self-sealing fittings with a quick disconnect end, see coupling half, quick disconnect. for fluid line fittings without a self-sealing feature, see coupling (as modified).
Does nsn 4730012013921 contain any precious metals?
No precious metal content.
Does nsn 4730012013921 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730012013921?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
18281
FIIG:
A531W0
App. Key:
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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