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Spring-Tab Lock WasherImproved spring-tab lock washer offers alternative to such positive-locking devices as cotter pins and lock wires and to conventional split-ring lock washers. Does not dig into fastened parts with sharp edges; less likely to inflict scratches causing cracks. Contains three winglike spring tabs and three alignment pips, pressed into mating dimples in surface of part to be fastened. Spring tabs on lock washer allow only clockwise rotation (tightening) of bolt or nut.
Document ID
19930000678
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Finckenor, Jeff
(NASA Marshall Space Flight Center, Huntsville, AL.)
Rogers, Dylan
(NASA Marshall Space Flight Center, Huntsville, AL.)
Rodriguez, Pete
(NASA Marshall Space Flight Center, Huntsville, AL.)
Date Acquired
August 16, 2013
Publication Date
October 1, 1993
Publication Information
Publication: NASA Tech Briefs
Volume: 17
Issue: 10
ISSN: 0145-319X
Subject Category
Fabrication Technology
Report/Patent Number
MFS-28722
Accession Number
93B10678
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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