dust cap
Tire stem shield
A dust cap is a protective cover that keeps dust and debris out of openings when not in use.
Dust caps appear on valve stems, audio jacks, USB ports, camera lenses, and countless other equipment: Put the dust cap back on the tire valve.
The term applies to any small removable cover whose primary purpose is preventing contamination.
Authentication stamp or mark
- gasketMechanical leak preventer
- coverProtect by overlaying
- shieldHandheld defensive armor
- barrierObstruction preventing passage
housing · sleeve · casing · boot · snap-on · threaded · press-fit · rubber
Protective wheel center cover
- wheel coverDecorative disc over rim
- spindleRotating rod for thread
- axleShaft for wheel rotation
- tireLose strength or energy
rim · lug nut · splash guard · suspension · chassis · drivetrain · hub · bearing
Formal assessment of condition
- replacementWhat takes another's place
- wearCarry on person
- upkeepOngoing preservation effort
- servicingPerforming routine maintenance
preventive · routine · lubrication · preservation · durability · reliability · mechanic · tools
seal
Authentication stamp or mark
barrier · housing · sleeve · casing · boot · snap-on · threaded · press-fit · rubber · plastic
hubcap
Protective wheel center cover
- wheel coverDecorative disc over rim
- spindleRotating rod for thread
- axleShaft for wheel rotation
tire · rim · lug nut · splash guard · suspension · chassis · drivetrain · hub · bearing · wheel well
inspection
Formal assessment of condition
- replacementWhat takes another's place
- wearCarry on person
- upkeepOngoing preservation effort
servicing · preventive · routine · lubrication · preservation · durability · reliability · mechanic · tools · manual
stylus
Pointed implement for marking
- turntableRotating music player
- cartridgeSealed container for supplies
- tonearmRecord player's stylus mount
needle · record player · vinyl · phono · hi-fi · speaker cone · driver · woofer · tweeter
- audio equipmentspeakers, microphone, headphones, amplifier, amplifiers
- bike partsframe, top tube, saddle, pedal, chain
- dust controlHEPA filter, baghouse, air filter, cyclones, precipitators
- speaker partswoofer, tweeter, driver, cone, diaphragm
- Dobsonian telescopescollimation, collapsible, tabletop
- stoppersstopper, cork, plug, bung, cork stopper