Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
The O-RING is a the manufacturer industrial component. Key specifications include color: BLUE, material: RUBBER FLUOROSILICONE CLASS FQ, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, special_features: OIL AND FUEL RESISTANT, center_hole_diameter: 1.609 INCHES NOMINAL IN, cross-sectional_height: 0.139 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-279-4329, indicating validated use in U.S.
government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.
WHERE IT FITS
MILR25988-1
NSN:5331-00-279-4329 FSC:5331 — O-RING CAGE:81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
color
BLUE
material
RUBBER FLUOROSILICONE CLASS FQ
hardness_rating
70.0 SHORE DUROMETER A NOMINAL
special_features
OIL AND FUEL RESISTANT
center_hole_diameter
1.609 INCHES NOMINAL IN
cross-sectional_height
0.139 INCHES NOMINAL IN
end_item_identification
F16 AIRCRAFT; EMERGENCY POWER UNIT SYSTEM MAINTENANCE PANEL ASSY
NSN
5331-00-279-4329
COMPONENT DIAGRAM
KEY FEATURES
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
MATERIAL: RUBBER FLUOROSILICONE CLASS FQ
•
OUTSIDE DIAMETER: 2.387 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 2.091 INCHES MINIMUM AND 2.127 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
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FREQUENTLY ASKED QUESTIONS
What is MILR25988-1?
MILR25988-1 is a O-RING.
What parts can replace MILR25988-1?
There are 4 known substitutes for MILR25988-1: MILR25988, MIL-DTL-25988/1, M25988/1-227 and 1 more. Substitute compatibility should be verified for your specific system.
Is MILR25988-1 still available?
MILR25988-1 is currently cancelled.
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