lock washer

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lock washer

[′läk ‚wäsh·ər]

(design engineering)

A solid or split washer placed underneath a nut or screw that prevents loosening by exerting pressure.

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References in periodicals archive ?

You'll also need two lock washers, NSN 5310-00889-2527.

An antenna dilemma

PEM self-clinching fasteners can be installed permanently in metal sheets as thin as 0.02 in./0.51 mm and can eliminate a need for washers, lock washers, and nuts for final attachment of components.

Fasteners

They can be installed permanently in metal sheets as thin as .020"/0.51 mm and can eliminate a need for washers, lock washers and nuts for final attachment of components.

Self-clinching fasteners provide permanent threads to attach components. (Packaging & Interconnects)

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.

A little prep work before towing

Before it began using Unbrako fasteners, Howdon had to rely on lock washers to keep the bolts from backing out, according to Donald Pooley, Howdon's technical director.

BOLTING A FUSE IN PLACE

* Put the lock washers and then the flat washers on the three socket head cap screws.

Second mounting rail available

You'll need to replace the lock washers. tighten the screws.

What to know before you tow

Secure the fasteners with the flat washers, lock washers and nuts that come with the bracket.

Better wheels for GMTX

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.