2 February 2004
13 December 1993
MS SPECIFICATION SHEET
WASHER, LOCK, FLAT-EXTERNAL TOOTH
Reactivated after 2 February 2004 and may be used for new and existing designs and acquisitions.
This Specification is approved for use by all Departments and
Agencies of the Department of Defense.
The requirements for acquiring the product described herein shall consist of this MS specification sheet and ASME 818.21.1
Figure 1. Lock washer.
AMSC N/A 1 of 3 FSC 5310
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