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3780603 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3780603: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include special_features: USED AS SEAL FOR COVER FOR MOTOR, end_item_identification: PARKER SERIES VP1 HY30-5517-M1/UK/SE MOTOR, part_name_assigned_by_controlling_agency: O-RING. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-579-9171, 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
3780603
NSN: 5331-01-579-9171
FSC: 5331 — O-ring
CAGE: 9F512 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC PUMP DIVISION (USA)
SPECIFICATIONS
special_featuresUSED AS SEAL FOR COVER FOR MOTOR
end_item_identificationPARKER SERIES VP1 HY30-5517-M1/UK/SE MOTOR
part_name_assigned_by_controlling_agencyO-RING
NSN5331-01-579-9171
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3780603 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESUSED AS SEAL FOR COVER FOR MOTOR
PART NAME ASSIGNED BY CONTROLLING AGENCYO-RING
END ITEM IDENTIFICATIONPARKER SERIES VP1 HY30-5517-M1/UK/SE MOTOR
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3780603?
3780603 is a O-RING.
What is the NSN for 3780603?
3780603 is cataloged in the U.S. Government catalog under NSN 5331-01-579-9171. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.