Keyed Lock Ring

243-20053-01

243-20053-01
(NSN) National Stock Number
5365-01-330-1056
Federal Supply Classification
5365 Bushings, Rings, Shims and Spacers
Item Name Code
21973
Schedule B Code
7616995195
Summary

1.250 inches nominal inside diameter, 0.172 inches nominal key length, 0.250 inches nominal overall height, 0.120 inches nominal key width, 1.560 inches nominal overall outside diameter, aluminum alloy 6061 material

DAC HCC DMIL RNCC
2 - - 3
RNVC SADC MSDS RNAAC
2 - - MB
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
1.250 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
0.172 inches nominal
Details A measurement of the longest dimension of a key,in distinction from width.
Overall Height
0.250 inches nominal
Details The distance measured in a straight line from the bottom to the top of an item.
Key Width
0.120 inches nominal
Details A measurement taken at right angles to the length of a key,in distinction from thickness.
Overall Outside Diameter
1.560 inches nominal
Details The overall length of a straight line which passes through the center of an item,and terminates at the outside circumference.
Material
aluminum alloy 6061
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
243-20053-01 34500 5 - 5 2 - ZZ
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
59240 - R -
RVC WCC TCC SHC
- 713 Z 9

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Manufacturer
ILC DOVER LP
CAGE: 74897
FREDERICA , DE , 19946-2080
UNITED STATES
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FAQs
Frequently asked questions for NSN 5365-01-330-1056
What is the NIIN of the NSN 5365-01-330-1056?
The National Item Identification Number (NIIN) of the NSN 5365-01-330-1056 is 01-330-1056
When the NSN 5365-01-330-1056 was assigned to the Federal Catalog?
It was assigned 33 years ago, on Thu, Nov 29, 1990
Does the NSN 5365-01-330-1056 contain any precious metals?
Does not contain precious metal
Does the NSN 5365-01-330-1056 contain any hazardous material?
No data in HMIRS

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