Flange to Tube Elbow

500516-16C

500516-16C
(NSN) National Stock Number
4730-00-034-3722
Federal Supply Classification
4730 Hose, Pipe, Tube, Lubrication and Railing Fittings
Item Name Code
29668
Schedule B Code
7507200000
Summary

3a 1st end thread class, 4 2nd end bolt hole quantity, flared (tube) 1st end connection style, 1.625 inches nominal 1st end leg length, 1.000 inches nominal 2nd end leg length, 1.562 inches 2nd end nominal width

DAC HCC DMIL RNCC
E - - 3
RNVC SADC MSDS RNAAC
2 - - AX
Identification

A fitting that forms an angle of less that 180 degrees (3.141 radians) from the straight flow. It has a flange connection on one end designed to connect with another flange connection, or a compression type mounting pad. The other end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube, or is unthreaded and designed to accommodate a tube. It may have side and/or heel inlet(s).

INC FIIG Concept Condition
29668 A080B0 - 1
Specifications
Thread Class
3a 1st end
Details A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
Bolt Hole Quantity
4 2nd end
Details The number of bolt holes provided on the item.
Connection Style
flared (tube) 1st end
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.
Leg Length
1.625 inches nominal 1st end
Details A measurement of the longest dimension of the leg,in distinction from width.
Leg Length
1.000 inches nominal 2nd end
Details A measurement of the longest dimension of the leg,in distinction from width.
Nominal Width
1.562 inches 2nd end
Details A nominal measurement taken at right angles to the length of an item,in distinction from thickness.
Nominal Length
1.875 inches 2nd end
Details A nominal measurement of the longest dimension of an item,in distinction from width.
Flange Shape
rectangular with holes 2nd end
Details The physical configuration of the flange.
Connection Type
flange 2nd end
Details Indicates the type of connection/s/.
Connection Type
threaded external tube 1st end
Details Indicates the type of connection/s/.
Thread Quantity Per Inch
12 1st end
Details The number of threads on the item per linear inch measured on a line parallel to the thread axis.
Nominal Thread Size
1.312 inches 1st end
Details A designation that is used for the purpose of general identification of the thread.
Seat Angle
37.0 degrees 1st end
Details The angle of the end surface upon which the mated surface seats.
Flow Angle
45.0 degrees
Details The angle that the flow is turned from the straight flow.
Nominal Thickness
0.250 inches 2nd end
Details A nominal measurement of the smallest dimension of an item,in distinction from length or width.
Bolt Hole Nominal Diameter
0.266 inches 2nd end
Details The nominal length of a straight line which passes through the center of the bolt hole,and terminates at the circumference.
Center To Center Nominal Distance Between Bolt Holes Along Length
1.438 inches 2nd end
Details The center to center nominal distance between bolt holes along the length of an item.
Center To Center Nominal Distance Between Bolt Holes Along Width
1.125 inches 2nd end
Details The center to center nominal distance between bolt holes along the width of an item.
Flange Face Design
raised straight 2nd end
Details The design of the flange face.
Raised Face Nominal Height
0.031 inches 2nd end
Details A nominal measurement from the bottom to the top surface of a raised face,in distinction from depth.
Raised Face Nominal Diameter
1.296 inches 2nd end
Details The nominal length of a straight line which passes through the center of a raised face,and terminates at the circumference.
Nominal Outside Diameter Tube Accommodated
1.000 inches 1st end
Details The nominal length of a straight line which passes through the center of the accommodated tube,and terminates at the outside circumference.
Special Features
w/four slots,0.266 in. w and 0.296 in. deep,located in the four corners of the flange
Details Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification on one or more other functions.
Material
nickel alloy body
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material
nickel alloy flange
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Thread Series Designator
un 1st end
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.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
500516-16C R1120 6 - 5 2 - ZG
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
29090 - W -
RVC WCC TCC SHC
- 736 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
EATON AEROQUIP LLC DBA AEROSPACE GROUP DIV FLUID AND ELECTRICAL DISTRIBUTION
CAGE: 00624
JACKSON , MI , 49203-1973
UNITED STATES
View Products
FAQs
Frequently asked questions for NSN 4730-00-034-3722
What is the NIIN of the NSN 4730-00-034-3722?
The National Item Identification Number (NIIN) of the NSN 4730-00-034-3722 is 00-034-3722
When the NSN 4730-00-034-3722 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Sun, Jan 1, 1961
Does the NSN 4730-00-034-3722 contain any precious metals?
Type/content is unknown
Does the NSN 4730-00-034-3722 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.

Similar Products
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