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Acrylonitrile Butadiene (Nbr) Rubber, Hot Oil and Coolant Resistant, Low Swell, 45-55

2019-10-25
WIP
AMS3226J
This specification covers a nitrile (NBR) rubber in the form of sheet, strip, tubing, extrusions, and molded shapes. Primarily for hose, packings, bushings, grommets, and seals in contact with hot, petroleum-base lubricating oils and glycol-type coolants from -40 degrees to +100 degrees C (-40 degrees to +212 degrees F).
Standard

Elastomer: Phenyl Methyl Vinyl Silicone (PVMQ), Low Temperature/Engine Oil Resistant, High Strength/High Tear, 55 to 65 Type “A” Hardness, For Products in Aircraft Piston Engine Oil/Low Temperature Environments

2019-10-24
CURRENT
AMS3346H
This specification covers a phenyl vinyl silicone rubber material that can be used to manufacture product in the form of sheet, strip, tubing, molded shapes, and extrusions. This specification should not be used for molded rings, compression seals, O-ring cord, and molded in place gaskets for aeronautical and aerospace applications without complete consideration of the end use prior to the selection of this material.
Standard

Synthetic Rubber Hot Oil Resistant, High Swell 45 - 55

2019-07-29
CURRENT
AMS3222J
This specification covers a synthetic rubber in the form of sheet, strip, tubing, extrusions, and molded shapes. This specification should not be used for molded rings, compression seals, O-ring cords, and molded in place gaskets for aeronautical and aerospace applications without complete consideration of the end use prior to the selection this material.
Standard

Elastomer: Silicone, Rubber (MQ/VMQ) General Purpose 65 – 75 Durometer Type ‘A’ Hardness

2019-04-05
CURRENT
AMS3304J
This specification covers a silicone (MQ/VMQ) elastomer that can be used to manufacture product in the form of sheet, strip, tubing, extrusions, and molded shapes. This specification should not be used for molded rings, compression seals, O-ring cord, and molded-in-place gaskets for aeronautical and aerospace applications, AMS7268 should be used.
Standard

Elastomer: Silicone Rubber, (VMQ) General Purpose 75 – 85 Durometer Type ‘A’ Hardness

2019-04-05
CURRENT
AMS3305K
This specification covers a silicone (MQ/VMQ) elastomer that can be used to manufacture product in the form of sheet, strip, tubing, extrusions, and molded shapes. This specification should not be used for molded rings, compression seals, O-ring cord, and molded in place gaskets for aeronautical and aerospace applications without complete consideration of the end use prior to the selection of this material.
Standard

Elastomer: Fluorosilicone Rubber (FVMQ) Fuel and Oil Resistant 75 - 85 Durometer Type “A” Hardness For Products in Fuel Systems/Lubricating Oils

2019-02-28
CURRENT
AMS3741
This specification covers a fluorosilicone (FVMQ) elastomer that can be used to manufacture product in the form of sheet, strip, tubing, extrusions, and molded shapes. This specification should not be used for molded rings, compression seals, O-ring cord, and molded in place gaskets for aeronautical and aerospace applications without complete consideration of the end use prior to the selection of this material.
Standard

Elastomer: Silicone Rubber (MQ/VMQ) General Purpose 45 - 55 Durometer Type “A” Hardness

2019-02-28
CURRENT
AMS3302J
This specification covers a silicone (MQ/VMQ) elastomer that can be used to manufacture product in the form of sheet, strip, tubing, extrusions, and molded shapes. This specification should not be used for molded rings, compression seals, O-ring cord, and molded in place gaskets for aeronautical and aerospace applications without complete consideration of the end use prior to the selection of this material.
Standard

Elastomer: Fluorosilicone Rubber (FVMQ) High Temperature, High Modulus, Fuel and Oil Resistant 70 - 80 Shore A Hardness For Products in Fuel Systems/Lubricating Oils

2019-02-27
CURRENT
AMS3327E
This specification covers a fluorosilicone (FVMQ) elastomer that can be used to manufacture product in the form of sheet, strip, and molded shapes. This specification should not be used for molded rings, compression seals, O-ring cord, and molded in place gaskets for aeronautical and aerospace applications without complete consideration of the end use prior to the selection of this material.
Standard

Elastomer: Silicone, Rubber (MQ/VMQ) General Purpose 55 - 65 Durometer Type "A" Hardness

2019-02-27
CURRENT
AMS3303L
This specification covers a silicone (MQ/VMQ) elastomer that can be used to manufacture product in the form of sheet, strip, tubing, extrusions, and molded shapes. This specification should not be used for molded rings, compression seals, O-ring cord, and molded in place gaskets for aeronautical and aerospace applications without complete consideration of the end use prior to the selection of this material.
Standard

Rings, Sealing, Butadiene-Acrylonitrile (Nbr) Rubber Synthetic Lubricant Resistant 67-75

2018-10-09
WIP
AMS7272H
This specification covers a butadiene-acrylonitrile (NBR) rubber in the form of molded rings. These rings have been used typically as sealing rings in contact with diester synthetic lubricants in service up 150 degrees C (302 degrees F), but usage is not limited to such applications. The cross-section of such rings is usually not over 0.275 inch (6.98 mm) in diameter or thickness.
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