Product Description
Military and Aerospace Fluorocarbon (FKM) 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 fluorocarbon 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 9266-75 fluorocarbon seals are ideal for military and aerospace applications. Key features include the following: • Meets popular military specification: Parco 9266-75 seals exceed the requirements for AMS 7276 and is QPL-listed. • Wide range of service temperatures: Parco 9266-75 seals are suitable for applications ranging from -20 to +400°F.
Chemical Resistance
USE WITH
Carbon Tetrachloride Diester Synthetic Lubricants Gasoline Ethyl Hot Air Toluene
DO NOT USE WITH
Acetone Amines Acetate
Typical Values for Compound
Sec. of Spec | Physical Property | Requirements | Result | ASTM Test Method |
Original Properties | ||||
3.2.1.1 | Hardness, Shore A | 75 ± 5 | 78 | D1414 |
3.2.1.1.a | Hardness, Shore A, Plied Button | 75 ± 5 | 79 | D2240 |
3.2.1.2 | Tensile strength, MPa (psi), min. | 9.65(1400) | 13.5(1959) | D1414 |
3.2.1.3 | Ultimate elongation, pct., min. | 125 | 237 | D1414 |
3.2.1.4 | Specific gravity | 1.85 ± 0.02 | 1.85 | D297 |
Compression Set | D395 | |||
3.2.2 | 22 hours at 200°C (392°F) | Method B | ||
pct. of original deflection, max. | 15 | 11 | D1414 | |
Compression Set | D395 | |||
3.2.3 | 336 hours at 200°C (392°F) | Method B | ||
pct. of original deflection, max. | 40 | 40 | D1414 | |
Low Temperature Properties | ||||
3.2.4 | TR-10, °C(°F), max. | -15(5) | -17(2) | D1329 |
Heat Aging | D573 | |||
3.2.5 | 70 hours at 270°C (518°F) | D1414 | ||
3.2.5.1 | Hardness change, pts., Shore A | -5 to 10 | -1 | |
3.2.5.2 | Tensile strength change, pct., max. | -35 | -13.5783563 | |
3.2.5.3 | Ultimate elongation change, pct., max. | -15 | 6.329113924 | |
3.2.5.4 | Weight loss, max. | 10 | 3 | Para. 4.4.1 |
Fluid Aging, ASTM Reference Fuel B | D471 | |||
3.2.6 | 70 hours at 23°C (73°F) | D1414 | ||
3.2.6.1 | Hardness change, pts., Shore A | ± 5 | -1 | |
3.2.6.2 | Tensile strength change, pct., max. | -20 | -1.939765186 | |
3.2.6.3 | Ultimate elongation change, pct., max. | -20 | -1.687763713 | |
3.2.6.4 | Volume change, pct. | 0 to 5 | 2 | |
Fluid Aging, Mobil MCP 1201 (ARM 200, AMS 3023) | D471 | |||
3.2.7 | 70 hours at 200°C (392°F) | D1414 | ||
3.2.7.1 | Hardness change, pts., Shore A | -15 to 0 | -10 | |
3.2.7.2 | Tensile strength change, pct., max. | -35 | -15.05870342 | |
3.2.7.3 | Ultimate elongation change, pct., max. | -20 | -5.485232068 | |
3.2.7.4 | Volume change, pct. | 1 to 25 | 16 | |
3.2.7.5 | Compression Set | D395 | ||
pct. of original deflection, max. | 10 | 9 | Method B |
91000000335
Overview
O-Rings
Material
FLUOROCARBON RUBBER – FKM
Dash Number
020
Nominal CS
1/16
Inches CS
0.070
Nominal Size O.D.
1
Inches O.D.
1.004
Nominal Size I.D.
7/8
Inches I.D.
0.864
Inches I.D. Tol.
0.009
Inches CS Tol.
0.003
TEMPERATURE RANGE
-20°F to 400°F