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Technical Data Sheet
PartsTable / O-RING / DIN 3771-15,9X2,3-N FPM 75
DIN 3771-15,9X2,3-N FPM 75 ✓ 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 DIN 3771-15,9X2,3-N FPM 75 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-513-8423, 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
DIN 3771-15,9X2,3-N FPM 75
NSN: 5331-01-513-8423
FSC: 5331 — O-RING
CAGE: SC265 — BOMBARDIER WIEN SCHIENENFAHRZEUGE AG (AUT)
SPECIFICATIONS
Part NumberDIN 3771-15,9X2,3-N FPM 75
NSN5331-01-513-8423
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: DIN 3771-15,9X2,3-N FPM 75 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 MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
•
CROSS-SECTIONAL HEIGHT: 2.3 MILLIMETERS NOMINAL MM
•
CENTER HOLE DIAMETER: 15.9 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONRQ-1
HARDNESS RATING70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
MATERIALRUBBER FLUOROCARBON CLASS FPM
CROSS-SECTIONAL HEIGHT2.3 MILLIMETERS NOMINAL MM
CENTER HOLE DIAMETER15.9 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
11739834-2Interchangeable
interchangeable cross-reference
interchangeable
43-02-25Interchangeable
interchangeable cross-reference
interchangeable
MIL-M-38527/8Interchangeable
interchangeable cross-reference
interchangeable
82337-1Interchangeable
interchangeable cross-reference
interchangeable
53-02-25Interchangeable
interchangeable cross-reference
interchangeable
2194807Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DIN 3771-15,9X2,3-N FPM 75?
DIN 3771-15,9X2,3-N FPM 75 is a DIN 3771-15,9X2,3-N FPM 75.
What parts can replace DIN 3771-15,9X2,3-N FPM 75?
There are 6 known substitutes for DIN 3771-15,9X2,3-N FPM 75: 11739834-2, 43-02-25, MIL-M-38527/8 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for DIN 3771-15,9X2,3-N FPM 75?
DIN 3771-15,9X2,3-N FPM 75 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-513-8423. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026