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3N7758 — SEAL,NONMETALLIC ROUND SECTION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3N7758: SEAL,NONMETALLIC ROUND SECTION.

The SEAL,NONMETALLIC ROUND SECTION is a the manufacturer industrial component. Key specifications include construction: ONE-PIECE, style_designator: CIRCULAR, end_item_identification: USED ON AUXILIARY SEA WATER PUMP ON CATERPILLAR DIESEL ENGINE 3406 BDT ONBOARD 210 FT C.G. VESSELS FT, cross-sectional_shape_style: CIRCULAR.

This part is cataloged in the U.S. Government catalog under NSN 5330-01-294-6887, 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
3N7758
NSN: 5330-01-294-6887
FSC: 5330 — Packing and Gasket Materials
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
constructionONE-PIECE
style_designatorCIRCULAR
end_item_identificationUSED ON AUXILIARY SEA WATER PUMP ON CATERPILLAR DIESEL ENGINE 3406 BDT ONBOARD 210 FT C.G. VESSELS FT
cross-sectional_shape_styleCIRCULAR
NSN5330-01-294-6887
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3N7758 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
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: CIRCULAR
•
CONSTRUCTION: ONE-PIECE
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLECIRCULAR
END ITEM IDENTIFICATIONUSED ON AUXILIARY SEA WATER PUMP ON CATERPILLAR DIESEL ENGINE 3406 BDT ONBOARD 210 FT C.G. VESSELS FT
CONSTRUCTIONONE-PIECE
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
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3N7758?
3N7758 is a SEAL,NONMETALLIC ROUND SECTION.
What is the NSN for 3N7758?
3N7758 is cataloged in the U.S. Government catalog under NSN 5330-01-294-6887. 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.