Tube Nipple

50K87

50K87
(NSN) National Stock Number
4730-00-111-2456
Federal Supply Classification
4730 Hose, Pipe, Tube, Lubrication and Railing Fittings
Item Name Code
03783
Schedule B Code
7412200000
Summary

2a all ends thread class, compression (tube) all ends connection style, threaded external tube all ends connection type, 2.500 inches all ends nominal thread size, 0.031 inches all ends seat nominal radius, 0.375 inches all ends nominal outside diameter tube accommodated

DAC HCC DMIL RNCC
6 - - 3
RNVC SADC MSDS RNAAC
9 - - AX
Identification

A straight, one-piece fitting used to join a tube or tube fitting to another tube or tube fitting. It may have any type externally threaded tube connections of the same size on both ends and is usually shaped externally at the center to accommodate a wrench. It may include nuts, sleeves, and/or grommets.

INC FIIG Concept Condition
03783 A080B0 - 1
Specifications
Thread Class
2a all ends
Details A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
Connection Style
compression (tube) all ends
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.
Connection Type
threaded external tube all ends
Details Indicates the type of connection/s/.
Nominal Thread Size
2.500 inches all ends
Details A designation that is used for the purpose of general identification of the thread.
Seat Nominal Radius
0.031 inches all ends
Details The nominal radius of the end surface upon which the mated surface seats.
Nominal Outside Diameter Tube Accommodated
0.375 inches all ends
Details The nominal length of a straight line which passes through the center of the accommodated tube,and terminates at the outside circumference.
Nominal Overall Length
0.094 inches
Details The nominal dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
Material
copper alloy overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Style Designator
plain and compression w/ center wrenching facility
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Thread Series Designator
npt all ends
Details A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N U - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
00000 - W -
RVC WCC TCC SHC
- 576 Z 9

Certified Supplier

Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.

  • Genuine Manufacturers Parts
  • 100% Product Inspection
  • 7 Year Sales Record Retention
  • Fast On-Time Delivery
  • HAZMAT Certified
  • Global Shipping
Manufacturer
MCMASTER-CARR SUPPLY CO
CAGE: 39428
ELMHURST , IL , 60126-2034
UNITED STATES
View Products
FAQs
Frequently asked questions for NSN 4730-00-111-2456
What is the NIIN of the NSN 4730-00-111-2456?
The National Item Identification Number (NIIN) of the NSN 4730-00-111-2456 is 00-111-2456
When the NSN 4730-00-111-2456 was assigned to the Federal Catalog?
It was assigned 56 years ago, on Fri, Aug 16, 1968
Does the NSN 4730-00-111-2456 contain any precious metals?
Type/content is unknown
Does the NSN 4730-00-111-2456 contain any hazardous material?
No data in HMIRS

Can't Find It

If you didn't find what you need, don't worry, we're here to help! Our team is ready to help you find exactly what you need. Click below to contact us.

Who we are?

We are a trusted provider of milspec and aerospace hardware, offering high-quality consumables and parts. With a commitment to excellence, we guarantee reliable and fast delivery through our network of logistics centers. Our mission is to support the aerospace industry with precision and efficiency.

Contact
3555 Agricultural Center Dr.
St. Augustine, FL, 32092
United States
© 2025 Aerospace Hardware Store, Inc. All rights reserved.
Made in USA