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Technical Data Sheet
PartsTable / O-RING / 7377-220
7377-220 ✓ 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 part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-543-3041, 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
7377-220
NSN: 5331-00-543-3041
FSC: 5331 — O-RING
CAGE: 25184 — PARKER HANNIFIN CORPORATION DIV O-RING DIVISION (USA)
SPECIFICATIONS
Part Number7377-220
NSN5331-00-543-3041
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7377-220 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 29
3401849-9Interchangeable
interchangeable cross-reference
interchangeable
560-105Interchangeable
interchangeable cross-reference
interchangeable
PRP568-220MILR2 5897Interchangeable
interchangeable cross-reference
interchangeable
ARP568-220MILR2 5897TY1CL1Interchangeable
interchangeable cross-reference
interchangeable
220-7507Interchangeable
interchangeable cross-reference
interchangeable
6965817Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7377-220?
7377-220 is a O-RING.
What parts can replace 7377-220?
There are 29 known substitutes for 7377-220: 3401849-9, 560-105, PRP568-220MILR2 5897 and 26 more. Substitute compatibility should be verified for your specific system.
Is 7377-220 still available?
7377-220 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026