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6784798-212 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6784798-212: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include special_features: OIL RESISTANT;0.859 INCH INSIDE DIAMETER IN, cross-sectional_shape_style: O-RING, cross_section_outside_diameter: 0.146 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: SEAL,I RING OIL RESISTANT. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-538-0392, 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
6784798-212
NSN: 5330-01-538-0392
FSC: 5330 — Packing and Gasket Materials
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
special_featuresOIL RESISTANT;0.859 INCH INSIDE DIAMETER IN
cross-sectional_shape_styleO-RING
cross_section_outside_diameter0.146 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencySEAL,I RING OIL RESISTANT
NSN5330-01-538-0392
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6784798-212 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: O-RING
•
CROSS SECTION OUTSIDE DIAMETER: 0.146 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL SHAPE STYLEO-RING
SPECIAL FEATURESOIL RESISTANT;0.859 INCH INSIDE DIAMETER IN
CROSS SECTION OUTSIDE DIAMETER0.146 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYSEAL,I RING OIL RESISTANT
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6784798-212?
6784798-212 is a PACKING,PREFORMED.
What is the NSN for 6784798-212?
6784798-212 is cataloged in the U.S. Government catalog under NSN 5330-01-538-0392. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.