Standard · MS (Military Standards, CAGE 96906)Updated 2026-10-01
MS35489-4
The base code "35489" specifies "Grommets, Synthetic and Silicone Rubber, Hot-Oil and Coolant Resistant". For the MS35489-4 part, this includes an Inside Diameter of 0.188 inches, a Groove Width of 0.063 inches, a Groove Diameter of 0.313 inches, an Outside Diameter of 0.438 inches, and an Overall Thickness of 0.188 inches. The suffix "-4" is a dash number that specifies the particular size and dimensions of the grommet. The absence of an 'X' material code letter indicates the material is synthetic rubber. The prefix "MS" identifies this as a Military Standard, which is a US aerospace/military hardware standard. Governed by the MS standard series, administered by Military Standards.
Part number dissection
MSThe prefix "MS" identifies this as a Military Standard, which is a US aerospace/military hardware standard.
35489The base code "35489" specifies "Grommets, Synthetic and Silicone Rubber, Hot-Oil and Coolant Resistant". For the MS35489-4 part, this includes an Inside Diameter of 0.188 inches, a Groove Width of 0.063 inches, a Groove Diameter of 0.313 inches, an Outside Diameter of 0.438 inches, and an Overall Thickness of 0.188 inches.
-4The suffix "-4" is a dash number that specifies the particular size and dimensions of the grommet. The absence of an 'X' material code letter indicates the material is synthetic rubber.
Specifications
Standard seriesMS
Specification ownerMilitary Standards · CAGE 96906
Base codeThe base code "35489" specifies "Grommets, Synthetic and Silicone Rubber, Hot-Oil and Coolant Resistant". For the MS35489-4 part, this includes an Inside Diameter of 0.188 inches, a Groove Width of 0.063 inches, a Groove Diameter of 0.313 inches, an Outside Diameter of 0.438 inches, and an Overall Thickness of 0.188 inches.
Finish / variantThe suffix "-4" is a dash number that specifies the particular size and dimensions of the grommet. The absence of an 'X' material code letter indicates the material is synthetic rubber.
Acceptable alternates
AN931-3-5This is explicitly listed as an alternate part number for MS35489-4.
Confirm acceptability against your drawing before ordering.
Availability
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BTEK Components MFG LLC · Largo, FloridaPart data compiled and verified by BTEK's sourcing engine.