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Technical Data Sheet
DIN 3771-16X5-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 O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM, hardness_rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM, center_hole_diameter: 16.0 MILLIMETERS NOMINAL MM, cross-sectional_height: 5.0 MILLIMETERS NOMINAL MM, end_item_identification: RQ-1. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-513-6824, 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 3771-16X5-N FPM 75
NSN: 5331-01-513-6824
FSC: 5331 — O-RING
CAGE: 3082N — BOMBARDIER TRANSPORTATION AUSTRIA GMBH (AUT)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
hardness_rating70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
center_hole_diameter16.0 MILLIMETERS NOMINAL MM
cross-sectional_height5.0 MILLIMETERS NOMINAL MM
end_item_identificationRQ-1
NSN5331-01-513-6824
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: DIN 3771-16X5-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
CROSS-SECTIONAL HEIGHT: 5.0 MILLIMETERS NOMINAL MM
CENTER HOLE DIAMETER: 16.0 MILLIMETERS NOMINAL MM
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
END ITEM IDENTIFICATIONRQ-1
CROSS-SECTIONAL HEIGHT5.0 MILLIMETERS NOMINAL MM
CENTER HOLE DIAMETER16.0 MILLIMETERS NOMINAL MM
MATERIALRUBBER FLUOROCARBON CLASS FPM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
810794Interchangeable
interchangeable cross-reference
interchangeable
1914925Interchangeable
interchangeable cross-reference
interchangeable
850930Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DIN 3771-16X5-N FPM 75?
DIN 3771-16X5-N FPM 75 is a O-RING.
What parts can replace DIN 3771-16X5-N FPM 75?
There are 3 known substitutes for DIN 3771-16X5-N FPM 75: 810794, 1914925, 850930. Substitute compatibility should be verified for your specific system.
What is the NSN for DIN 3771-16X5-N FPM 75?
DIN 3771-16X5-N FPM 75 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-513-6824. This indicates validated use in U.S. government and defense supply chains.
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