ST390

390 SPLIT TEFLON BACKUP RING
VIRGIN PTFE 55 SHORE D
CS: 0.183 IN (4.65 MM)
ID: 21.006 IN (533.55 MM)
T: 0.076″ (1.93MM)

ST390

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Expedited Shipping*: 07/27/2026
Standard Shipping: 09/14/2026
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Additional information

Weight 0.06978 lbs
Shipping Dimensions 21.372 × 21.372 × 0.183 in
Material

Color

Size

390
Durometer