Product Description

Military and Aerospace Nitrile 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 nitrile 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.

Key Benefits

Parco’s 4457-65 nitrile seals are ideal for use in low temperatures and hydraulic fluids. Key features include the following: • Meets popular military specification: Parco 4457-65 seals exceed the requirements for AMS-P-5315. • Excellent resistance to low temperatures: Parco 4457-65 seals can be used in static applications with continuous service temperatures as low as -65°F. • Exceptional Prices: Parco 4457-65 prices are among the lowest available. • Wide range of service temperatures: Parco 4457-65 seals are suitable for applications ranging from -65 to +200°F.

Chemical Resistance

USE WITH

Gasoline Military Aircraft Hydraulic Fluid

DO NOT USE WITH

Automatic Transmission Fluid Hot Air Ultraviolet Light

Typical Values for Compound

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

3.2.1	Original Properties
3.2.1.1	Hardness, Shore A	65 ± 5	69	D2240
3.2.1.2	Tensile strength, MPa (psi), min.	6.9(1000)	8.8(1282)	D1414
3.2.1.3	Ultimate elongation, pct., min.	200	235	D1414
3.2.1.4	Specific Gravity	1.32 ± 0.02	1.34	D297
0
3.2.2	Compression Set,			D395
0	70 hours at 70°C (158°F)			Method B
0	pct. of original deflection, max	50	14	D1414
0
0	Fluid Aging, ASTM Reference Fuel A			D471
3.2.3	72 hours at 23°C (73°F)			D1414
0	Volume change, pct.	0 to 10	8
0
0	Fluid Aging, ASTM Reference Fuel B			D471
3.2.4	72 hours at 23°C (73°F)			D1414
0	Volume change, pct.	0 to 50	26
0
3.2.5	Low Temperature Property			D1329
0	TR-10, °C (°F), max.	-46(-50)	-47(-53)
0
3.2.6	Dry Neckdown Test	Pass	Pass	Para .4.4.1
0
3.2.7	Wet Neckdown Test	Pass	Pass	Para .4.4.2
0
3.2.8	Corrosion and Adhesion			Para .4.4.3
0	QQ-A-250/4 Aluminum Alloy 2024	None	None
0	QQ-A-250/11 Aluminum Alloy 6061	None	None
0	QQ-A-250/12 Aluminum Alloy 7075	None	None
0	AMS 5630 440C Stainless Steel	None	None
0	AMS 5513 304 Stainless Steel	None	None
0	MIL-S-18729 4130 Steel	Slight Corrosion	Slight Corrosion
0
3.2.9	Fourier Transform Infrared (FTIR)	Report	Nitrile (a)	D3677
0
3.2.10	Thermal Gravimetric Analysis (TGA)	Report	See Attached (a)	E1131


(a)	Results transcribed from outside laboratory test report no. PN 161248.