Keyed Lock Ring

65391-11791-101

65391-11791-101
(NSN) National Stock Number
5365-01-123-4814
Federal Supply Classification
5365 Bushings, Rings, Shims and Spacers
Item Name Code
21973
Schedule B Code
7307290000
Summary

1.700 inches nominal inside diameter, 0.342 inches nominal key length, 0.375 inches nominal overall height, 0.579 inches minimum and 0.585 inches maximum key width, 2.3870 inches minimum and 2.3875 inches maximum overall outside diameter, steel comp e4340 material

DAC HCC DMIL RNCC
1 - - 3
RNVC SADC MSDS RNAAC
2 - - KZ
Identification

A locking device with two keys spaced approximately 180 degrees center to center and protruding from the seating surface of the ring. When installed the keys mate with companion keyways in the external threads of screw thread inserts, locked-in studs, or similar type items, and cut through sufficient threads of the parent material tapped hole to provide a positive lock between the threaded bodies.

INC FIIG Concept Condition
21973 T252-E - 1
Specifications
Inside Diameter
1.700 inches nominal
Details The length of a straight line which passes through the center of a circular figure or body,and terminates at the inside circumference.
Key Length
0.342 inches nominal
Details A measurement of the longest dimension of a key,in distinction from width.
Overall Height
0.375 inches nominal
Details The distance measured in a straight line from the bottom to the top of an item.
Key Width
0.579 inches minimum and 0.585 inches maximum
Details A measurement taken at right angles to the length of a key,in distinction from thickness.
Overall Outside Diameter
2.3870 inches minimum and 2.3875 inches maximum
Details The overall length of a straight line which passes through the center of an item,and terminates at the outside circumference.
Material
steel comp e4340
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N A - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
49790 - Q -
RVC WCC TCC SHC
- 713 Z 9

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Manufacturer
SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP
CAGE: 78286
STRATFORD , CT , 06614-1378
UNITED STATES
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FAQs
Frequently asked questions for NSN 5365-01-123-4814
What is the NIIN of the NSN 5365-01-123-4814?
The National Item Identification Number (NIIN) of the NSN 5365-01-123-4814 is 01-123-4814
When the NSN 5365-01-123-4814 was assigned to the Federal Catalog?
It was assigned 42 years ago, on Sat, Dec 12, 1981
Does the NSN 5365-01-123-4814 contain any precious metals?
Does not contain precious metal
Does the NSN 5365-01-123-4814 contain any hazardous material?
No data in HMIRS

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