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Technical Data Sheet
10-2603 REV H ITEM NO. 25 ✓ 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 10-2603 REV H ITEM NO. 25 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 5340-01-445-0767, 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
10-2603 REV H ITEM NO. 25
NSN: 5340-01-445-0767
FSC: 5340
CAGE: 28199 — L3 TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
Part Number10-2603 REV H ITEM NO. 25
NSN5340-01-445-0767
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 10-2603 REV H ITEM NO. 25 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 4
E887Upgraded Successor
successor cross-reference
successor
E920Upgraded Successor
successor cross-reference
successor
5N306Upgraded Successor
successor cross-reference
successor
E-820Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10-2603 REV H ITEM NO. 25?
10-2603 REV H ITEM NO. 25 is a 10-2603 REV H ITEM NO. 25.
What parts can replace 10-2603 REV H ITEM NO. 25?
There are 4 known substitutes for 10-2603 REV H ITEM NO. 25: E887, E920, 5N306 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 10-2603 REV H ITEM NO. 25?
10-2603 REV H ITEM NO. 25 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-445-0767. This indicates validated use in U.S. government and defense supply chains.
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