lock washer


Also found in: Dictionary, Thesaurus, Acronyms, Wikipedia.

lock washer

[′läk ‚wäsh·ər]
(design engineering)
A solid or split washer placed underneath a nut or screw that prevents loosening by exerting pressure.
References in periodicals archive ?
You will also need two hexagon head screws, NSN 5305-00-685-3511, and two lock washers, NSN 5310-01-433-0941.
Tender notice number : KAMCO/MTLS/BOM/17-18/14 Spring Lock washers ID:2018_KAMCO_184141_1
Each latch, NSN 2540-01-525-7167, is held in place with four screws, NSN 5305-00-068-0511, four lock washers, NSN 5310-00-984-7042, and four flat washers, NSN 5310-00-773-7618.
Note: 1 Inter Lock Washers Shall Be Coated/Plated With Enviornment Friendly Coating.
Put the lock washers and then the flat washers on the three socket head cap screws.
Secure the fasteners with the flat washers, lock washers and nuts that come with the bracket.
But the message has the wrong NSNs for the hexagon screws and lock washers needed to secure the lock release lever, NSN 5340-01-500-5572, to the shield.
You'll have to remove 22 screws, lock washers and flat washers to get the panel off.