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Technical Data Sheet

M25988/3-018 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

M25988/3-018: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER, hardness_rating: 60.0 SHORE DUROMETER A NOMINAL, center_hole_diameter: 0.734 INCHES MINIMUM AND 0.744 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-185-1735, 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
M25988/3-018
NSN: 5331-00-185-1735
FSC: 5331 — O-ring
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialRUBBER
hardness_rating60.0 SHORE DUROMETER A NOMINAL
center_hole_diameter0.734 INCHES MINIMUM AND 0.744 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
NSN5331-00-185-1735
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M25988/3-018 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
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
HARDNESS RATING: 60.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CENTER HOLE DIAMETER: 0.734 INCHES MINIMUM AND 0.744 INCHES MAXIMUM IN
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
HARDNESS RATING60.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER0.734 INCHES MINIMUM AND 0.744 INCHES MAXIMUM IN
MATERIALRUBBER
SUBSTITUTES & CROSS-REFERENCES 5
2-018L1223-60Reference document
Same NSN cross-reference
Reference document — Secondary reference
MIL-DTL-25988/3Reference document
Same NSN cross-reference
Reference document — Identification reference
16606A54-94Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
MIL-R-25988/3Reference document
Same NSN cross-reference
Reference document — Secondary reference
3541-31-018Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M25988/3-018?
M25988/3-018 is a O-RING.
What parts can replace M25988/3-018?
There are 5 known substitutes for M25988/3-018: 2-018L1223-60, MIL-DTL-25988/3, 16606A54-94 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M25988/3-018?
M25988/3-018 is cataloged in the U.S. Government catalog under NSN 5331-00-185-1735. This indicates validated use in U.S. government and defense supply chains.
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