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528-5684 — SEAL,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

528-5684: SEAL,PLAIN.

The SEAL,PLAIN is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, seal_width: 0.817 INCHES NOMINAL IN, construction: ONE-PIECE, outside_diameter: 8.661 INCHES NOMINAL IN, special_features: INSIDE DIAMETER: 6.212 IN. HOLE SIZE (IN):0.315 (9X) IN, end_item_identification: EXCAVATOR, CRAWLER.

This part is cataloged in the U.S. Government catalog under NSN 5330-01-720-0538, 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
528-5684
NSN: 5330-01-720-0538
FSC: 5330 — Packing and Gasket Materials
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
seal_width0.817 INCHES NOMINAL IN
constructionONE-PIECE
outside_diameter8.661 INCHES NOMINAL IN
special_featuresINSIDE DIAMETER: 6.212 IN. HOLE SIZE (IN):0.315 (9X) IN
end_item_identificationEXCAVATOR, CRAWLER
part_name_assigned_by_controlling_agency158MM SHAFT DIAMETER CRANKSHAFT RUBBER SEAL MM
NSN5330-01-720-0538
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 528-5684 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
•
SEAL WIDTH: 0.817 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 8.661 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
•
CONSTRUCTION: ONE-PIECE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.817 INCHES NOMINAL IN
OUTSIDE DIAMETER8.661 INCHES NOMINAL IN
SPECIAL FEATURESINSIDE DIAMETER: 6.212 IN. HOLE SIZE (IN):0.315 (9X) IN
PART NAME ASSIGNED BY CONTROLLING AGENCY158MM SHAFT DIAMETER CRANKSHAFT RUBBER SEAL MM
END ITEM IDENTIFICATIONEXCAVATOR, CRAWLER
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
CONSTRUCTIONONE-PIECE
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 528-5684?
528-5684 is a SEAL,PLAIN.
What is the NSN for 528-5684?
528-5684 is cataloged in the U.S. Government catalog under NSN 5330-01-720-0538. This indicates validated use in U.S. government and defense supply chains.
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