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Technical Data Sheet
PartsTable / COMPONENT / 138488
138488 ✓ 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 STUD BALL,STEERING 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 5330-00-606-8780, 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
138488
NSN: 5330-00-606-8780
FSC: 5330
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSEAL ID 0.265 IN.,W 0.343 IN.,MAX CONTINUOUS PRESSURE 50 PSI,MAX INTERMITTENT PRESSUR 250 PSI,MAX RPM 13.200,TEMPEREATURERANGE-400F TO PLUS 250F IN
NSN5330-00-606-8780
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 138488 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
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: SEAL ID 0.265 IN.,W 0.343 IN.,MAX CONTINUOUS PRESSURE 50 PSI,MAX INTERMITTENT PRESSUR 250 PSI,MAX RPM 13.200,TEMPEREATURERANGE-400F TO PLUS 250F IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSEAL ID 0.265 IN.,W 0.343 IN.,MAX CONTINUOUS PRESSURE 50 PSI,MAX INTERMITTENT PRESSUR 250 PSI,MAX RPM 13.200,TEMPEREATURERANGE-400F TO PLUS 250F IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
265005Interchangeable
interchangeable cross-reference
interchangeable
138488Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 138488?
138488 is a STUD BALL,STEERING.
What parts can replace 138488?
There are 2 known substitutes for 138488: 265005, 138488. Substitute compatibility should be verified for your specific system.
What is the NSN for 138488?
138488 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-606-8780. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026