PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 678449-2
678449-2 ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include material: STEEL AND RUBBER SYNTHETIC OVERALL, temp_rating: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF, outside_diameter: 4.125 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 2.375 INCHES NOMINAL IN, surface_treatment: CADMIUM 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 5330-00-849-0975, 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
678449-2
NSN: 5330-00-849-0975
FSC: 5330
CAGE: 09523 — PARKER-HANNIFIN CORPORATION DIV GAS TURBINE FUEL SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL AND RUBBER SYNTHETIC OVERALL
temp_rating-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
outside_diameter4.125 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter2.375 INCHES NOMINAL IN
surface_treatmentCADMIUM OVERALL
gage_ring_thickness0.120 INCHES NOMINAL IN
maximum_pressure_rating150.0 POUNDS PER SQUARE INCH (PSI) LBS
cross-sectional_thickness0.172 INCHES NOMINAL IN
cross-sectional_shape_styleMETAL AND SYNTHETIC RUBBER
material_document_and_classificationN406-6 FSCM 83259 MFR REF 2ND MATERIAL RESPONSE OVERALL
NSN5330-00-849-0975
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 678449-2 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
•
OUTSIDE DIAMETER: 4.125 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: N406-6 FSCM 83259 MFR REF 2ND MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: METAL AND SYNTHETIC RUBBER
•
TEMP RATING: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
•
STYLE DESIGNATOR: CIRCULAR
•
GAGE RING THICKNESS: 0.120 INCHES NOMINAL IN
•
APERTURE DIAMETER: 2.375 INCHES NOMINAL IN
•
MAXIMUM PRESSURE RATING: 150.0 POUNDS PER SQUARE INCH (PSI) LBS
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER4.125 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONN406-6 FSCM 83259 MFR REF 2ND MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLEMETAL AND SYNTHETIC RUBBER
TEMP RATING-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
STYLE DESIGNATORCIRCULAR
GAGE RING THICKNESS0.120 INCHES NOMINAL IN
APERTURE DIAMETER2.375 INCHES NOMINAL IN
MAXIMUM PRESSURE RATING150.0 POUNDS PER SQUARE INCH (PSI) LBS
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL AND RUBBER SYNTHETIC OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
84051582ZInterchangeable
interchangeable cross-reference
interchangeable
6300-2Interchangeable
interchangeable cross-reference
interchangeable
26155Interchangeable
interchangeable cross-reference
interchangeable
3EInterchangeable
interchangeable cross-reference
interchangeable
992685-01Interchangeable
interchangeable cross-reference
interchangeable
9080259Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 678449-2?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 678449-2?
678449-2 is a GASKET.
What parts can replace 678449-2?
There are 14 known substitutes for 678449-2: 84051582Z, 6300-2, 26155 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 678449-2?
678449-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-849-0975. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 678449-2

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026