PartsTable
Technical Data Sheet
C687-7306ITEM52 ✓ 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 5331-01-210-8736, 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
C687-7306ITEM52
NSN: 5331-01-210-8736
FSC: 5331 — O-RING
CAGE: 19879 — CHART INC DIV CRYOGENIC SYSTEMS DIV (USA)
SPECIFICATIONS
Part NumberC687-7306ITEM52
NSN5331-01-210-8736
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: C687-7306ITEM52 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 19
6515-00-059-5235Interchangeable
interchangeable cross-reference
interchangeable
40095Interchangeable
interchangeable cross-reference
interchangeable
24-54Interchangeable
interchangeable cross-reference
interchangeable
42L7005-2510Interchangeable
interchangeable cross-reference
interchangeable
ASA50OFFSET LINInterchangeable
interchangeable cross-reference
interchangeable
47-50HInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C687-7306ITEM52?
C687-7306ITEM52 is a O-RING.
What parts can replace C687-7306ITEM52?
There are 19 known substitutes for C687-7306ITEM52: 6515-00-059-5235, 40095, 24-54 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C687-7306ITEM52?
C687-7306ITEM52 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-210-8736. This indicates validated use in U.S. government and defense supply chains.
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