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6768108 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6768108: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: CORK AND RUBBER CHLOROPRENE CLASS CR OVERALL, joint_type: BUTT OVERALL, peripheral_diameter: 20.787 INCHES MINIMUM AND 20.983 INCHES MAXIMUM IN, center_hole_diameter: 20.657 INCHES MINIMUM AND 20.843 INCHES MAXIMUM IN, cross-sectional_height: 0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN, cross-sectional_shape_style: SQUARE/RECTANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-692-5285, 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
6768108
NSN: 5330-00-692-5285
FSC: 5330 — Packing and Gasket Materials
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
materialCORK AND RUBBER CHLOROPRENE CLASS CR OVERALL
joint_typeBUTT OVERALL
peripheral_diameter20.787 INCHES MINIMUM AND 20.983 INCHES MAXIMUM IN
center_hole_diameter20.657 INCHES MINIMUM AND 20.843 INCHES MAXIMUM IN
cross-sectional_height0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
material_document_and_classificationMIL-G-12803 +2255-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-692-5285
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6768108 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 HEIGHT: 0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803 +2255-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
PERIPHERAL DIAMETER: 20.787 INCHES MINIMUM AND 20.983 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 20.657 INCHES MINIMUM AND 20.843 INCHES MAXIMUM IN
•
MATERIAL: CORK AND RUBBER CHLOROPRENE CLASS CR OVERALL
•
JOINT TYPE: BUTT OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803 +2255-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
PERIPHERAL DIAMETER20.787 INCHES MINIMUM AND 20.983 INCHES MAXIMUM IN
CENTER HOLE DIAMETER20.657 INCHES MINIMUM AND 20.843 INCHES MAXIMUM IN
MATERIALCORK AND RUBBER CHLOROPRENE CLASS CR OVERALL
JOINT TYPEBUTT OVERALL
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 1
5330006925285Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6768108?
6768108 is a PACKING,PREFORMED.
What parts can replace 6768108?
There is 1 known substitute for 6768108: 5330006925285. Substitute compatibility should be verified for your specific system.
What is the NSN for 6768108?
6768108 is cataloged in the U.S. Government catalog under NSN 5330-00-692-5285. 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.