Master LockSKU: S3900

Master Lock S3900 Stainless Steel Pneumatic Lockouts



The Master Lock No. S3900 Pneumatic Lockout Device features stainless steel construction for corrosion resistance and fits virtually all male pneumatic fittings. This lockout device prevents pneumatic fitting from being connected to pressurized air source. Device accepts any Master Lock or American Lock Safety padlocks and works with lockout hasps for multiple worker lockout situations.