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6386439 — SEAL,NONMETALLIC ROUND SECTION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6386439: SEAL,NONMETALLIC ROUND SECTION.

The SEAL,NONMETALLIC ROUND SECTION is a the manufacturer industrial component. Key specifications include material: RUBBER BUTYL OVERALL, construction: SOLID, aperture_width: 3.001 INCHES NOMINAL IN, aperture_length: 4.133 INCHES NOMINAL IN, special_features: THERE IS AN ADDITIONAL SMALLER RECTANGULAR SHAPE FOR THIS COVER,REFER TO DRAWING FOR DETAILS, style_designator: NON-CIRCULAR. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-571-3473, 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
6386439
NSN: 5330-01-571-3473
FSC: 5330 — Packing and Gasket Materials
CAGE: 4U884 — RAYTHEON COMPANY DBA RAYTHEON CO (USA)
SPECIFICATIONS
materialRUBBER BUTYL OVERALL
constructionSOLID
aperture_width3.001 INCHES NOMINAL IN
aperture_length4.133 INCHES NOMINAL IN
special_featuresTHERE IS AN ADDITIONAL SMALLER RECTANGULAR SHAPE FOR THIS COVER,REFER TO DRAWING FOR DETAILS
style_designatorNON-CIRCULAR
inside_corner_radius0.190 INCHES NOMINAL IN
outside_corner_radius0.190 INCHES NOMINAL IN
supplementary_featuresPHOSPHATE ESTER HYDRAULIC FLUID RESISTANT
end_item_identification1680-01-528-5422,NAVY CODE LLJRZB725
cross-sectional_shape_styleCIRCULAR
cross_section_outside_diameter0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
NSN5330-01-571-3473
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6386439 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
•
INSIDE CORNER RADIUS: 0.190 INCHES NOMINAL IN
•
SUPPLEMENTARY FEATURES: PHOSPHATE ESTER HYDRAULIC FLUID RESISTANT
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: 82577 HWS TY I,FORM I ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: CIRCULAR
•
APERTURE WIDTH: 3.001 INCHES NOMINAL IN
•
APERTURE LENGTH: 4.133 INCHES NOMINAL IN
•
COLOR: BLACK
TECHNICAL CHARACTERISTICS
INSIDE CORNER RADIUS0.190 INCHES NOMINAL IN
SUPPLEMENTARY FEATURESPHOSPHATE ESTER HYDRAULIC FLUID RESISTANT
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATION82577 HWS TY I,FORM I ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLECIRCULAR
APERTURE WIDTH3.001 INCHES NOMINAL IN
APERTURE LENGTH4.133 INCHES NOMINAL IN
COLORBLACK
SPECIAL FEATURESTHERE IS AN ADDITIONAL SMALLER RECTANGULAR SHAPE FOR THIS COVER,REFER TO DRAWING FOR DETAILS
CROSS SECTION OUTSIDE DIAMETER0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
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 managedAcquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is 6386439?
6386439 is a SEAL,NONMETALLIC ROUND SECTION.
What is the NSN for 6386439?
6386439 is cataloged in the U.S. Government catalog under NSN 5330-01-571-3473. 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.