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Technical Data Sheet
PartsTable / COMPONENT / 5HR663
5HR663 ✓ 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 SEAL,OIL is a the manufacturer industrial component. Key specifications include end_item_identification: FAMILY OF HEMTT VEHICLES (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS), part_name_assigned_by_controlling_agency: OIL SEAL, STANDARD OUTPUT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-237-7828, 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
5HR663
NSN: 5330-00-237-7828
FSC: 5330
CAGE: 45152 — OSHKOSH CORP (USA)
SPECIFICATIONS
end_item_identificationFAMILY OF HEMTT VEHICLES (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS)
part_name_assigned_by_controlling_agencyOIL SEAL, STANDARD OUTPUT
NSN5330-00-237-7828
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5HR663 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)
PART NAME ASSIGNED BY CONTROLLING AGENCYOIL SEAL, STANDARD OUTPUT
END ITEM IDENTIFICATIONFAMILY OF HEMTT VEHICLES (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
945061Interchangeable
interchangeable cross-reference
interchangeable
20-3D-59Interchangeable
interchangeable cross-reference
interchangeable
28P52Interchangeable
interchangeable cross-reference
interchangeable
41063Interchangeable
interchangeable cross-reference
interchangeable
47152Interchangeable
interchangeable cross-reference
interchangeable
28-P-56Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5HR663?
5HR663 is a SEAL,OIL.
What parts can replace 5HR663?
There are 11 known substitutes for 5HR663: 945061, 20-3D-59, 28P52 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5HR663?
5HR663 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-237-7828. 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