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Technical Data Sheet
21026E ✓ 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 PANEL,REAR,INTERMED 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 5340-01-095-3757, 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
21026E
NSN: 5340-01-095-3757
FSC: 5340
CAGE: 30377 — SMITHS AEROSPACE, INC., ELECTRONIC SYSTEMS-GRAND RAPIDS (USA)
SPECIFICATIONS
Part Number21026E
NSN5340-01-095-3757
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21026E 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 9
SP32163Interchangeable
interchangeable cross-reference
interchangeable
419542-2Interchangeable
interchangeable cross-reference
interchangeable
GB2717-2Interchangeable
interchangeable cross-reference
interchangeable
7005515P1Interchangeable
interchangeable cross-reference
interchangeable
RG62AUInterchangeable
interchangeable cross-reference
interchangeable
M17/30-RG062Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21026E?
21026E is a PANEL,REAR,INTERMED.
What parts can replace 21026E?
There are 9 known substitutes for 21026E: SP32163, 419542-2, GB2717-2 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21026E?
21026E is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-095-3757. This indicates validated use in U.S. government and defense supply chains.
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