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Seals - Stat-O-Seals
Fastener and Fitting Seals

Stat-o-seals are intended to seal on the shank of a bolt, immediately under its head. They are made in one piece, the rubber sealing element being molded directly into a metal retainer.

The Stat-o-seal can be especially useful under flat head rivets of nearly every kind because of relaxing of seating pressure which nearly always occurs after a rivet is upset. This does not alter the effectiveness of a Stat-o-seal.

Most fluid systems have fasteners that must be sealed. Parker’s fastener seal designs found in the Stat-O-Seals® and Thread Seals® feature an elastomeric sealing element molded in place within a metal retainer (washer). Although resembling a simple o-ring groove concept, the mold in place fastener seal offers numerous advantages. Ideal for sealing small and miniature sizes, the Parker Lock-OSeal ® is a two-piece combination seal comprising a separately molded o-ring fitted within a surrounding metal washer. Other speciality fastener seals are also available.

Stat-O-Seals

  • Intended to seal the shank of a bolt immediately under the head
  • 600 Series: Intended for sealing standard series fasteners
  • NAS1523 Series: Applications that require conformance to NAS1523
  • 610 Series: Intended for sealing metric fasteners from 5mm to 22mm

Thread Seals

  • Intended for sealing directly on the fastener threads
  • 750 Series: Intended for sealing most UNC and UNF threads

Lock-O-Seals

  • 800 Series: Intended to seal the shank of a bolt immediately under the head
  • Ideal for sealing small and miniature sizes
  • Special material combinations not available as a 600 Series Stat-O-Seal

Specialty Products

  • Fastener seal kits
  • 250 Lock-O-Seals for sealing straight tube fittings and banjo style fittings
  • Food, beverage and FDA related applications
  • Custom designed fastener and fitting seals
Stat-O-Seal®
  • How the Stat-O-Seal Works
  • Stat-O-Seal Features
  • 600 Series Stat-O-Seal
  • NAS 1523 Series Stat-O-Seal
  • 610 Series Stat-O-Seal
  • High Pressure Considerations
  • Stat-O-Seal Recommended Fastening Torque
Thred Seals®
  • Applications
  • ThredSeal Features
  • Key Benefits
  • Design Requirements
  • Maximum Pressure Recommendation
  • Installation Notes
  • Special Considerations for Adjusting Screws
  • 750 Series ThredSeal
Lock-O-Seal®
  • 800 Series Lock-O-Seal
Part Number Conversion List
Specialty Products
Fastener and Fitting Seals
 
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