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Technical Data Sheet

M25988/1-116ES — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

M25988/1-116ES: O-RING.

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: 0.943 INCHES NOMINAL IN, center_hole_diameter: 0.728 INCHES MINIMUM AND 0.746 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 U.S.

Government catalog under NSN 5331-00-490-4600, 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
M25988/1-116ES
NSN: 5331-00-490-4600
FSC: 5331 — O-ring
CAGE: H2313 — ERIKS B.V. (NLD)
SPECIFICATIONS
materialRUBBER FLUOROSILICONE CLASS FQ
hardness_rating70.0 SHORE DUROMETER A NOMINAL
outside_diameter0.943 INCHES NOMINAL IN
center_hole_diameter0.728 INCHES MINIMUM AND 0.746 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN5331-00-490-4600
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M25988/1-116ES 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: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.943 INCHES NOMINAL IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CENTER HOLE DIAMETER: 0.728 INCHES MINIMUM AND 0.746 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROSILICONE CLASS FQ
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.943 INCHES NOMINAL IN
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER0.728 INCHES MINIMUM AND 0.746 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROSILICONE CLASS FQ
SUBSTITUTES & CROSS-REFERENCES 9
2-110 L677-70Reference document
Same NSN cross-reference
Reference document — Secondary reference
10465219Reference document
Same NSN cross-reference
Reference document — Informative reference only
MILR25988Reference document
Same NSN cross-reference
Reference document — Secondary reference
M25988-1-116Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
L0449 2-116Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
PRP568-116-1133-60Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M25988/1-116ES?
M25988/1-116ES is a O-RING.
What parts can replace M25988/1-116ES?
There are 9 known substitutes for M25988/1-116ES: 2-110 L677-70, 10465219, MILR25988 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M25988/1-116ES?
M25988/1-116ES is cataloged in the U.S. Government catalog under NSN 5331-00-490-4600. This indicates validated use in U.S. government and defense supply chains.
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