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Technical Data Sheet
6-86-79 ✓ 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 BLOCK,VALVE ASSEMBLY is a the manufacturer industrial component. Key specifications include material: CORK OVERALL, outside_diameter: 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN, style_designator: CIRCULAR, aperture_diameter: 1.310 INCHES MINIMUM AND 1.320 INCHES MAXIMUM IN, lubrication_method: COATED, lubrication_material: GRAPHITE AND OIL OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-741-2637, 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
6-86-79
NSN: 5330-00-741-2637
FSC: 5330
CAGE: 72447 — DANA COMMERCIAL VEHICLE MANUFACTURING, LLC DBA DANA COMMERCIAL VEHICLE PRODUCTS (USA)
SPECIFICATIONS
materialCORK OVERALL
outside_diameter1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN
style_designatorCIRCULAR
aperture_diameter1.310 INCHES MINIMUM AND 1.320 INCHES MAXIMUM IN
lubrication_methodCOATED
lubrication_materialGRAPHITE AND OIL OVERALL
cross-sectional_thickness0.156 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classification9550 FSCM 89262 MFR REF SINGLE MATERIAL RESPONSE OVERALL
general_characteristics_item_descriptionSTEEL
NSN5330-00-741-2637
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6-86-79 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
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
APERTURE DIAMETER: 1.310 INCHES MINIMUM AND 1.320 INCHES MAXIMUM IN
CROSS-SECTIONAL THICKNESS: 0.156 INCHES NOMINAL IN
OUTSIDE DIAMETER: 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN
STYLE DESIGNATOR: CIRCULAR
MATERIAL: CORK OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: 9550 FSCM 89262 MFR REF SINGLE MATERIAL RESPONSE OVERALL
LUBRICATION MATERIAL: GRAPHITE AND OIL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
APERTURE DIAMETER1.310 INCHES MINIMUM AND 1.320 INCHES MAXIMUM IN
CROSS-SECTIONAL THICKNESS0.156 INCHES NOMINAL IN
OUTSIDE DIAMETER1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN
STYLE DESIGNATORCIRCULAR
MATERIALCORK OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION9550 FSCM 89262 MFR REF SINGLE MATERIAL RESPONSE OVERALL
LUBRICATION MATERIALGRAPHITE AND OIL OVERALL
LUBRICATION METHODCOATED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
68679Interchangeable
interchangeable cross-reference
interchangeable
AB-68679Interchangeable
interchangeable cross-reference
interchangeable
73810Interchangeable
interchangeable cross-reference
interchangeable
68618Interchangeable
interchangeable cross-reference
interchangeable
XM-36460-24-0510-O-LInterchangeable
interchangeable cross-reference
interchangeable
64175 ITEM 5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6-86-79?
6-86-79 is a BLOCK,VALVE ASSEMBLY.
What parts can replace 6-86-79?
There are 17 known substitutes for 6-86-79: 68679, AB-68679, 73810 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6-86-79?
6-86-79 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-741-2637. This indicates validated use in U.S. government and defense supply chains.
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