PartsTable
Technical Data Sheet
M25988-1-152 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
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 material: RUBBER FLUOROSILICONE CLASS FQ, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, outside_diameter: 3.443 INCHES NOMINAL IN, center_hole_diameter: 3.213 INCHES MINIMUM AND 3.261 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-498-5806, 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
M25988-1-152
NSN: 5331-00-498-5806
FSC: 5331 — O-RING
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialRUBBER FLUOROSILICONE CLASS FQ
hardness_rating70.0 SHORE DUROMETER A NOMINAL
outside_diameter3.443 INCHES NOMINAL IN
center_hole_diameter3.213 INCHES MINIMUM AND 3.261 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN5331-00-498-5806
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M25988-1-152 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
CENTER HOLE DIAMETER: 3.213 INCHES MINIMUM AND 3.261 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
OUTSIDE DIAMETER: 3.443 INCHES NOMINAL IN
MATERIAL: RUBBER FLUOROSILICONE CLASS FQ
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE: 125 MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER3.213 INCHES MINIMUM AND 3.261 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
OUTSIDE DIAMETER3.443 INCHES NOMINAL IN
MATERIALRUBBER FLUOROSILICONE CLASS FQ
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE125 MAXIMUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
510364REVALINE7Interchangeable
interchangeable cross-reference
interchangeable
3330209REVCPC9Interchangeable
interchangeable cross-reference
interchangeable
515294PC6Interchangeable
interchangeable cross-reference
interchangeable
2N2368Interchangeable
interchangeable cross-reference
interchangeable
12792-1Interchangeable
interchangeable cross-reference
interchangeable
M25988-1-152Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M25988-1-152?
M25988-1-152 is a O-RING.
What parts can replace M25988-1-152?
There are 13 known substitutes for M25988-1-152: 510364REVALINE7, 3330209REVCPC9, 515294PC6 and 10 more. Substitute compatibility should be verified for your specific system.
Is M25988-1-152 still available?
M25988-1-152 is currently cancelled.
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