PartsTable
Technical Data Sheet
T138508 ✓ 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

COVER,PROTECTIVE,DUST AND MOISTU. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-473-9743, 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
T138508
NSN: 5340-01-473-9743
FSC: 5340
CAGE: 1QME2 — JOHN DEERE CONSTRUCTION & FORESTRY COMPANY (USA)
SPECIFICATIONS
end_item_identificationCONTRACTOR LOGISTICS LIFETIME SUPPORT (CRLS), HYDRAULIC EXCAVATOR TYPE 1 (HYEX) (MODEL 230 LCR HX1), NSN 3805-01-463-0804, TM5-3805-280-24-P
NSN5340-01-473-9743
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: T138508 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
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONCONTRACTOR LOGISTICS LIFETIME SUPPORT (CRLS), HYDRAULIC EXCAVATOR TYPE 1 (HYEX) (MODEL 230 LCR HX1), NSN 3805-01-463-0804, TM5-3805-280-24-P
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
4428007Upgraded Successor
successor cross-reference
successor
910-301X-231XXInterchangeable
interchangeable cross-reference
interchangeable
25F1292Interchangeable
interchangeable cross-reference
interchangeable
508-8745-504Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is T138508?
T138508 is a COVER,PROTECTIVE,DUST AND MOISTU.
What parts can replace T138508?
There are 4 known substitutes for T138508: 4428007, 910-301X-231XX, 25F1292 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for T138508?
T138508 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-473-9743. This indicates validated use in U.S. government and defense supply chains.
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