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095-1678 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

095-1678: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER, special_features: FILTER,OIL REX1-UP TRANSMISSION, center_hole_diameter: 5.09 INCHES NOMINAL IN, cross-sectional_height: 0.12 INCHES NOMINAL IN, end_item_identification: D9T TRACTOR,C18 ENGINE, material_document_and_classification: MANUFACTUREREFERENCE MFR REF SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-679-7082, 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
095-1678
NSN: 5331-01-679-7082
FSC: 5331 — O-ring
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialRUBBER
special_featuresFILTER,OIL REX1-UP TRANSMISSION
center_hole_diameter5.09 INCHES NOMINAL IN
cross-sectional_height0.12 INCHES NOMINAL IN
end_item_identificationD9T TRACTOR,C18 ENGINE
material_document_and_classificationMANUFACTUREREFERENCE MFR REF SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencyO-RING
NSN5331-01-679-7082
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 095-1678 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: 0.12 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MANUFACTUREREFERENCE MFR REF SINGLE MATERIAL RESPONSE
•
CENTER HOLE DIAMETER: 5.09 INCHES NOMINAL IN
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.12 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMANUFACTUREREFERENCE MFR REF SINGLE MATERIAL RESPONSE
SPECIAL FEATURESFILTER,OIL REX1-UP TRANSMISSION
CENTER HOLE DIAMETER5.09 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYO-RING
END ITEM IDENTIFICATIOND9T TRACTOR,C18 ENGINE
MATERIALRUBBER
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
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 095-1678?
095-1678 is a O-RING.
What is the NSN for 095-1678?
095-1678 is cataloged in the U.S. Government catalog under NSN 5331-01-679-7082. 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.