Keyed Lock Ring

KR4AS1

KR4AS1
(NSN) National Stock Number
5365-00-906-3615
Federal Supply Classification
5365 Bushings, Rings, Shims and Spacers
Item Name Code
21973
Schedule B Code
-
Summary

0.191 inches minimum and 0.201 inches maximum inside diameter, 0.146 inches minimum and 0.156 inches maximum key length, 0.032 inches minimum and 0.037 inches maximum overall height, 0.050 inches minimum and 0.060 inches maximum key width, 0.245 inches minimum and 0.250 inches maximum overall outside diameter, steel corrosion resisting material

DAC HCC DMIL RNCC
1 - - 5
RNVC SADC MSDS RNAAC
9 - - 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
0.191 inches minimum and 0.201 inches maximum
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
0.146 inches minimum and 0.156 inches maximum
Details A measurement of the longest dimension of a key,in distinction from width.
Overall Height
0.032 inches minimum and 0.037 inches maximum
Details The distance measured in a straight line from the bottom to the top of an item.
Key Width
0.050 inches minimum and 0.060 inches maximum
Details A measurement taken at right angles to the length of a key,in distinction from thickness.
Overall Outside Diameter
0.245 inches minimum and 0.250 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 corrosion resisting
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
704-4P 01556 4 - 3 9 - KZ
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
49790 - Q -
RVC WCC TCC SHC
- 713 Z 9

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Manufacturer
EMHART TEKNOLOGIES LLC DBA STANLEY ENGINEERED FASTENING
CAGE: 01556
DANBURY , CT , 06810-8159
UNITED STATES
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FAQs
Frequently asked questions for NSN 5365-00-906-3615
What is the NIIN of the NSN 5365-00-906-3615?
The National Item Identification Number (NIIN) of the NSN 5365-00-906-3615 is 00-906-3615
When the NSN 5365-00-906-3615 was assigned to the Federal Catalog?
It was assigned 58 years ago, on Fri, Jun 24, 1966
Does the NSN 5365-00-906-3615 contain any precious metals?
Type/content is unknown
Does the NSN 5365-00-906-3615 contain any hazardous material?
No data in HMIRS

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