PartsTable
Technical Data Sheet
M25988-1-134ES ✓ 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: 2.068 INCHES NOMINAL IN, center_hole_diameter: 1.847 INCHES MINIMUM AND 1.877 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-007-1600, 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
M25988-1-134ES
NSN: 5331-01-007-1600
FSC: 5331 — O-RING
CAGE: H2313 — ERIKS B.V. (NLD)
SPECIFICATIONS
materialRUBBER FLUOROSILICONE CLASS FQ
hardness_rating70.0 SHORE DUROMETER A NOMINAL
outside_diameter2.068 INCHES NOMINAL IN
center_hole_diameter1.847 INCHES MINIMUM AND 1.877 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN5331-01-007-1600
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M25988-1-134ES 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
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
OUTSIDE DIAMETER: 2.068 INCHES NOMINAL IN
MATERIAL: RUBBER FLUOROSILICONE CLASS FQ
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
ELONGATION PERCENTAGE: 125 MAXIMUM
CENTER HOLE DIAMETER: 1.847 INCHES MINIMUM AND 1.877 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
OUTSIDE DIAMETER2.068 INCHES NOMINAL IN
MATERIALRUBBER FLUOROSILICONE CLASS FQ
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER1.847 INCHES MINIMUM AND 1.877 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
TT1303-1Interchangeable
interchangeable cross-reference
interchangeable
10163354Interchangeable
interchangeable cross-reference
interchangeable
T1303-1Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-25988/1Interchangeable
Same NIIN cross-reference
interchangeable
M25988/1-134Interchangeable
Same NIIN cross-reference
interchangeable
2-134L677-70Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M25988-1-134ES?
M25988-1-134ES is a O-RING.
What parts can replace M25988-1-134ES?
There are 8 known substitutes for M25988-1-134ES: TT1303-1, 10163354, T1303-1 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M25988-1-134ES?
M25988-1-134ES is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-007-1600. This indicates validated use in U.S. government and defense supply chains.
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