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

Sec. of Spec.	Physical Property	Requirement	Result	ASTM Test Method

3.2.6	Fluid Aging, ASTM Reference Fuel B (and A) – Consecutively
3.2.6.1	Fluid Aging, Fuel B			4.4.1
	70 hours at 23°C (73°F)
	Volume change, pct.	40 to 70	56	4.4.1.1
3.2.6.2	Dry-Out,
	Fluid Aging, Fuel B
	48 hours at 70°C (158°F)
	Volume change, pct., max.	-15	-9	4.4.1.3
3.2.6.3	Re-immersion
	Fluid Aging, Fuel A
	5 hours at 23°C (73°F)
	Volume change, pct., max.	-5	-3	4.4.1.4

3.2.7	Simulated Component Test (AS3578-229)			Para.
	O-rings remained in test fixture throughout test.			4.4.3
	1. Fluid Aging, Fuel A, 6 hours at 73°F
	Tested at 50, 500 and 1500 psi	No leaks	No Leaks	4.4.3.3.2
	2. Fluid Aging, Fuel A, 48 hours at -67°F
	Tested at 50, 500 and 1500 psi	No leaks	No Leaks	4.4.3.3.3
	3. Drain fixture,
	Fluid Aging, Fuel B, 48 hours at 73°F
	Tested at 50, 500 and 1500 psi	No leaks	No Leaks	4.4.3.3.4
	4.a. Drain fixture,
	Heat Aging, 168 hours at 158°F
	b. Remove and cool at 73°F
	c. Fluid Aging, Fuel A, 6 hours at 73°F			4.4.3.3.5
	Tested at 50, 500 and 1500 psi	No leaks	No Leaks
	d. Fluid Aging, Fuel A, 48 hours at -53°F			4.4.3.3.5
	Tested at 50, 500 and 1500 psi	No leaks	No Leaks
	5.a. Drain fixture,
	Fluid Aging, Fuel B, 48 hours at 73°F			4.4.3.3.6
	Tested at 50 psi	No Leaks	No Leaks
	b. Drain fixture,
	Heat Aging, 48 hours at 158°F
	c. Remove and cool at 73°F
	d. Fluid Aging, Fuel A, 48 hours at 73°F			4.4.3.3.6
	Tested at 50 psi	No Leaks	No Leaks
	e. Fluid Aging, Fuel A, 6 hours at 73°F			4.4.3.3.6
	Tested at 50, 500 and 1500 psi	No Leaks	No Leaks
	f. Fluid Aging, Fuel A, 48 hours at -53°F			4.4.3.3.6
	Tested at 50, 500 and 1500 psi	No Leaks	No Leaks
				4.4.4

3.2.8	Neckdown Tests
3.2.8.1	Dry,
	Ultimate elongation at 100 pct.			4.4.4.1
	No local constrictions	Pass	Pass

3.2.8.2	Wet,
	ASTM Reference Fuel B
	24 hours at 23°C (73°F)
	Uniform swell with no distortion	Pass	Pass	4.4.4.2

3.2.9	Corrosion	Nil	Nil	AMS-P-5315B