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U610368 — SLEEVE,SEAL,COUPLER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

U610368: SLEEVE,SEAL,COUPLER.

The SLEEVE,SEAL,COUPLER is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, cross-sectional_length: 4.000 INCHES NOMINAL IN, cross-sectional_shape_style: SPHERICAL, cross_section_inside_diameter: 5.250 INCHES MINIMUM AND 5.750 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-449-6738, 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
U610368
NSN: 5330-00-449-6738
FSC: 5330 — Packing and Gasket Materials
CAGE: 78943 — TRIUMPH THERMAL SYSTEMS, LLC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
cross-sectional_length4.000 INCHES NOMINAL IN
cross-sectional_shape_styleSPHERICAL
cross_section_inside_diameter5.250 INCHES MINIMUM AND 5.750 INCHES MAXIMUM IN
NSN5330-00-449-6738
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: U610368 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: SPHERICAL
•
CROSS-SECTIONAL LENGTH: 4.000 INCHES NOMINAL IN
•
CROSS SECTION INSIDE DIAMETER: 5.250 INCHES MINIMUM AND 5.750 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL SHAPE STYLESPHERICAL
CROSS-SECTIONAL LENGTH4.000 INCHES NOMINAL IN
CROSS SECTION INSIDE DIAMETER5.250 INCHES MINIMUM AND 5.750 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is U610368?
U610368 is a SLEEVE,SEAL,COUPLER.
What is the NSN for U610368?
U610368 is cataloged in the U.S. Government catalog under NSN 5330-00-449-6738. 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.