Overview 
Cross-Check™ Tamper Proof Torque Mark DYKEM® Cross-Check™ provides a convenient visual method for identification of vibratory loosening or tampering in nuts, bolts, fasteners, and assemblies. Provides warranty protection against tampering. Marks will be easily broken if parts are tampered with or become loose.  Highly visible marks.  Excellent adhesion to metal and other substrates. •Tamper Proof Torque Mark •Safe for most surfaces •Highly visible •Excellent adhesion •Visually detects loose nuts & bolts •Provides warranty protection Alternates with F900 Red Torque Seal

Features & Benefits 
- Tamper-proof indication: Marks break if fasteners move, revealing loosening or tampering
- High visibility: Bright red in ambient light and fluorescent under UV for enhanced inspection
- Excellent adhesion: Sticks securely to metal and other substrates to maintain marking integrity
- Durable and pliable: Withstands vibration and temperature without premature failure
- Warranty protection: Provides a visual record to detect unauthorized disassembly or movement
- Easy application: Paste consistency and 1 oz tube allow precise application to fasteners

Specifications 
- Part Number: 83316
- Manufacturer: Dykem® (ITW Professional Brands)
- Form: Viscous Paste
- Color: Red
- Container Size: 1 oz tube
- Visibility: Ambient light and UV fluorescent
- Drying Time (Dry to Touch): 30–40 minutes
- Cure Time (Full Cure): 7–10 days (80% cure in 48–72 hrs)
- Operating Temperature: -20°F to 600°F (-29°C to 316°C)
- Flash Point: 105°F (40.6°C)
- Shelf Life: 3 years (approx. 1095 days)
- Applications: Visual detection of loosened or tampered fasteners on critical components
- Alternatives: F900 Red Torque Seal (alternate)

Technical Information
- Boeing Specification: BMS8-45 Type II