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855559 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

855559: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include special_features: TECHNICAL DOCUMENT 40 LIGHTNING/40 LIGHTNING XR 40 SEAPRO/MARATHON, end_item_identification: SEAPRO/MARATHON. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-418-9699, 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
855559
NSN: 5340-01-418-9699
NIINs: 014189699, 015350239
FSC: 5340 — Hardware, Commercial
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
special_featuresTECHNICAL DOCUMENT 40 LIGHTNING/40 LIGHTNING XR 40 SEAPRO/MARATHON
end_item_identificationSEAPRO/MARATHON
NSN5340-01-418-9699
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 855559 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
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 855559?
855559 is a COVER,ACCESS.
What is the NSN for 855559?
855559 is cataloged in the U.S. Government catalog under NSN 5340-01-418-9699. This indicates validated use in U.S. government and defense supply chains.
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