The Stat-O-Seal® fastener is designed with a pre-calculated interference factor built into the teardrop shaped elastomeric seal. The cross-section free height of the rubber is greater than the metal retainer, providing the proper compression without squeezing the seal beyond its elastic limit.
Stat-O-Seal fasteners are one-piece, molded-in-place seals with the rubber sealing element mechanically and/or chemically bonded to the metal retainer. Parker’s “Splined and Coined” mechanical bonding feature is used on many 600, NAS1523 and 610 series sizes. This feature ensures a positive attachment of the rubber to the retainer, eliminating missing or loose seal elements associated with bonded seals. Stat-O-Seal fasteners are designed to seal beneath the head of the fastener for both internal and external pressure and vacuum systems.
As the fastener is installed into the mating hardware, the elastomer is compressed down to the retainer thickness. The retainer provides a positive alternate load path for fastener torque and forms a protective gland area for the confinement of the seal in a controlled state. Since the elastomer seal cannot move outward, the mass of the seal is forced inward against the shank of the fastener and against the mating surfaces, creating a positive seal. This principle is known as controlled confinement sealing. The diameter of the fastener head should always exceed that of the maximum "E diameter" in order to preserve this principle.
600 Series Stat-O-Seal® Features and Benefits:
- No machined O-ring grooves are required in the mating flange
- Precisely controlled optimum percent squeeze eliminates over compression
- Easy assembly. The self centering design ensures accurate placement of the seal.
- The retainer edge is visible after installation allowing for easy visual inspection and reducing failures caused by missing seals
- The solid metal to metal contact improves joint stability and eliminates re-torquing
- Long reliable service and a high level of reusability
- Rubber/bolt interference provides for easy assembly
600 Series Stat-O-Seal® Technical Specifications:
| Thermal Application Type: | Standard, Low, High & Low, High °F |
| Specifications Met: | None, MIL/Aero, None, SAE AMS-R-6855, Class 1, Grade 60, MIL-P-25732, SAE AMS-R-7362, Type 1, SAE AMS-P-5315, SAE AMS 3304, ASTM D2000 MSBC710A14 B14 E034F17Z1, ASTM D2000 M3CH910B34, SAE AMS 7276, NAS 1613, SAE AMS 7267, SAE AMS 3238 |
| Outside Diameter: | 0.385 to 5.5 inch |
| Polymer Material Options: | Nitrile Butadiene Rubber (NBR, XNBR), Silicone Rubber (VMQ, PVMQ), Polychloroprene Rubber (CR, Neoprene), Fluorocarbon Rubber (FKM, FPM), Ethylene Propylene Rubber (EPM, EPR, EPDM), Butyl Rubber (IIR) |
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Intended to seal immediately under the head of a bolt and conform NAS1523.