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Standard

Polytetrafluoroethylene (PTFE) Moldings, Premium Grade, As Sintered

1976-07-01
HISTORICAL
AMS3668A
This specification covers two types of virgin, unfilled polytetrafluoroethylene (PTFE) in the form of molded rods, tubes, and shapes. This specification does not apply to product over 12 inches (305 mm) in length, rods under 0.750 inch (19.05 mm) in diameter, and tubes having wall thickness under 0.500 inch (12.70 mm).
Standard

Polytetrafluoroethylene (PTFE) Moldings Premium Grade, As Sintered

2011-08-25
CURRENT
AMS3668E
This specification covers two types of virgin, unfilled polytetrafluoroethylene (PTFE) in the form of molded rods, tubes, and shapes. This specification does not apply to product over 12 inches (305 mm) in length, rods under 0.750 inch (19.05 mm) in diameter, and tubes having wall thickness under 0.500 inch (12.70 mm).
Standard

Polytetrafluoroethylene (PTFE) Moldings Premium Grade, As Sintered

2010-05-17
HISTORICAL
AMS3668D
This specification covers two types of virgin, unfilled polytetrafluoroethylene (PTFE) in the form of molded rods, tubes, and shapes. This specification does not apply to product over 12 inches (305 mm) in length, rods under 0.750 inch (19.05 mm) in diameter, and tubes having wall thickness under 0.500 inch (12.70 mm).
Standard

Polytetrafluoroethylene (PTFE) Moldings, Premium Grade, As Sintered

1991-10-01
HISTORICAL
AMS3668B
This specification covers two types of virgin, unfilled polytetrafluoroethylene (PTFE) in the form of molded rods, tubes, and shapes. This specification does not apply to product over 12 inches (305 mm) in length, rods under 0.750 inch (19.05 mm) in diameter, and tubes having wall thickness under 0.500 inch (12.70 mm).
Standard

Polytetrafluoroethylene (PTFE) Moldings, Premium Grade, As Sintered

1967-04-01
HISTORICAL
AMS3668
This specification covers two types of virgin, unfilled polytetrafluoroethylene (PTFE) in the form of molded rods, tubes, and shapes. This specification does not apply to product over 12 inches (305 mm) in length, rods under 0.750 inch (19.05 mm) in diameter, and tubes having wall thickness under 0.500 inch (12.70 mm).
Standard

Plastic Moldings, Silicone, Thermosetting Glass Roving Filled, Heat Resistant

1964-01-01
HISTORICAL
AMS3643
This specification covers a glass-roving-filled silicone resin in the form of compression moldings or transfer moldings. These products have been used typically for parts requiring good mechanical and electrical properties and thermal stability in continuous service up to 315 degrees C (599 degrees F) or intermittent service up to 370 degrees C (698 degrees F), but usage is not limited to such applications.
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