MSA 816645 Hard Hat Suspension, Ratchet 4 Point, For V Gard, Fits Hat Size 6 1 2 to 8 10148708 AS4984A Nonsparking No Weight 1 AS4984A Nonsparking No Weight 1 lb Grip Style Plain Insulated Uninsulated End Style Hang Hole Head Type Standard Ratcheting No Corrosion Resistant Yes Tether Style Tether Ready Adjustable Wrench Type Adjustable Wrench Measuring Scale No Oil Mount Material Zinc Plated Steel Mount Type Plate Mounting Fasteners Included No Center to Center Length (A) 5 1 4" Center to Center Length (B) 4 15 16" Center to Center Width (B) 2 7 16" Mount Plate Length 6 1 4" Mount Plate Width 4 1 2" Performance High Capacity Bearing Construction Dual Raceway Swivel Lock Activation Twist Ring Temperature Range 40° F to 250° F Tread Style Flat Wheel Tread Filler Material Glass Wheel Tread Material Nylon Country of Origin China DFARS Compliance Specialty Metals COTS Exempt ECCN EAR99 REACH Compliance Not Compliant RoHS Compliance Not Compliant Schedule B Number 871690 Material Plastic Nylon For Use With V Gard(R) Number of Suspension Points 4 Suspension Adjustment Type Ratchet Compatible Hard Hat Helmet Brand Name MSA SAFETY Compatible Hard Hat Helmet Manufacturer Part Number 43FC73 43FD93 Country of Origin Mexico