Product Description

Military and Aerospace Fluorosilicone (FVMQ) O-Rings from Datwyler”s Parco Brand: US industry know-how, Swiss quality standards – and compliance with multiple military and aerospace specifications.

The Datwyler Advantage: Our military and aerospace-compliant fluorosilicone rubber O-rings have excellent physical properties. Combine that with batch number and cure date traceability, AS9100 and AC7115 certifications as well as a wide variety of applications, and rest assured that you’ve made the right choice.

Typical Values for Compound

Physical Property	Requirements	Result	Method

Original Properties
Specific gravity	1.51 to 1.55	1.58	D297
Hardness, Shore A	70 ± 5	73	D2240
Tensile strength, psi, min.	750	934	D1414
Ultimate elongation, pct., min.	125	188	D1414
TR-10, °C(°F), max.	-56.7(-70)	-62 (-79)	D1329

Compression Set,			D395
70 hours at 24°C (75°F)			Method B
pct. of original deflection, max.			D1414
Under 0.110 inch	15	0
Over 0.110 inch	15	6

Heat Aging			D573
70 hours at 200°C(392°F)			D1414
Hardness Change, pts, Shore A	-5 to 10	-2
Tensile strength change, pct., max.	-25	-24.51820128
Ultimate elongation change, pct., max.	-25	-9.042553191
Weight loss, pct., max.	2	1

Compression Set,			D395
22 hours at 175°C (347°F)			Method B
pct. of original deflection, max.			D1414
Under 0.110 inch	30	4
Over 0.110 inch	30	6

Fluid Aging, Turbonycoil 160 (AMS 3021)			D471
70 hours at 150°C(302°F)			D1414
Hardness Change, pts, Shore A	-15 to 15	-8
Tensile strength change, pct., max.	-40	-33.40471092
Ultimate elongation change, pct., max.	-25	-11.70212766
Volume change, pct.	1 to 15	12
Compression Set
pct. of original deflection, max.
Under 0.110 inch	30	0
Over 0.110 inch	30	11

Fluid Aging, Jet Reference Fuel (AMS 2629, Type 1)			D471
22 hours at 24°C(75°F)			D1414
Hardness Shore A, max.	-20	-6
Tensile strength change, pct., max.	-45	-20.55674518
Ultimate elongation change, pct., max.	-35	-5.319148936
Volume change, pct.	1 to 25	7