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Technical Data Sheet
R3037 ✓ 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. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-323-1080, 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
R3037
NSN: 5331-01-323-1080
FSC: 5331 — O-RING
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
Part NumberR3037
NSN5331-01-323-1080
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: R3037 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
A21970Interchangeable
interchangeable cross-reference
interchangeable
B75-3Interchangeable
interchangeable cross-reference
interchangeable
10099Interchangeable
interchangeable cross-reference
interchangeable
940 1-19/32Interchangeable
interchangeable cross-reference
interchangeable
20138Interchangeable
interchangeable cross-reference
interchangeable
P360Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R3037?
R3037 is a O-RING.
What parts can replace R3037?
There are 23 known substitutes for R3037: A21970, B75-3, 10099 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R3037?
R3037 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-323-1080. This indicates validated use in U.S. government and defense supply chains.
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