Are your exhaust hangar grommets destroyed,
falling apart or missing?
Well, according to Bonanza owner, Les B., this
could be the part you need to refurbish those exhaust hangars MS35489-4. It is
also reported to cross over to AN931
Available at Grainger for only $6 for a pack
of 25!
Rubber Grommet, Weather, Heat, And Water Resistant,
Military Specification, Silicone Rubber, Inside Dia. (A) 3/16 In,
Outside Dia. (B) 7/16 In
Overall Thickness (C) 3/16 In
Panel Thickness (D) 1/16 In
Panel Hole Dia. (E) 5/16 In
MS 35489 Number 4
AN 931 Number 3-5 Red
Min. Temp. Rating -40 Deg. F, Max. Temp. 400 F
Durometer 50 +/- 5
Elongation 5%
Tensile Strength 1200 PSI
Standards ASTM D2000 FC512
Package Quantity 25
Additional bracket info gleaned from the Beech List from
Bob S. II:
"The LH brackets are p/n 35-415330-72 and -73. The grommets washers and
spacers are 330939-1, 10095150632K and 102933542E0170 according to my logbook."
Bonanza
Exhaust Hangar Grommets MS35489-4
