PartsTable
Technical Data Sheet
1527566-226 ✓ 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

PLUG,PROTECTIVE,DUST AND MOISTUR. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-374-5303, 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
1527566-226
NSN: 5340-01-374-5303
FSC: 5340
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
Part Number1527566-226
NSN5340-01-374-5303
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1527566-226 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 6
R15CO WInterchangeable
interchangeable cross-reference
interchangeable
2013 WInterchangeable
interchangeable cross-reference
interchangeable
550 WInterchangeable
interchangeable cross-reference
interchangeable
1532-3Interchangeable
interchangeable cross-reference
interchangeable
26-00251-003Interchangeable
interchangeable cross-reference
interchangeable
354550Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1527566-226?
1527566-226 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace 1527566-226?
There are 6 known substitutes for 1527566-226: R15CO W, 2013 W, 550 W and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1527566-226?
1527566-226 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-374-5303. This indicates validated use in U.S. government and defense supply chains.
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