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B1819A — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

B1819A: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: CORK AND RESIN NATURAL OR RESIN SYNTHETIC OVERALL, overall_width: 4.375 INCHES NOMINAL IN, aperture_width: 3.500 INCHES NOMINAL IN, overall_length: 13.500 INCHES NOMINAL IN, aperture_length: 12.625 INCHES NOMINAL IN, style_designator: NON-CIRCULAR. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-641-3929, 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
B1819A
NSN: 5330-00-641-3929
FSC: 5330 — Packing and Gasket Materials
CAGE: 64104 — DRESSER, LLC (USA)
SPECIFICATIONS
materialCORK AND RESIN NATURAL OR RESIN SYNTHETIC OVERALL
overall_width4.375 INCHES NOMINAL IN
aperture_width3.500 INCHES NOMINAL IN
overall_length13.500 INCHES NOMINAL IN
aperture_length12.625 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
inside_corner_radius0.500 INCHES NOMINAL IN
outside_corner_radius0.625 INCHES NOMINAL IN
cross-sectional_thickness0.156 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationHH-C-576,TY 3A,CL 2 FED SPEC ALL MATERIAL RESPONSES OVERALL A
NSN5330-00-641-3929
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B1819A 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 THICKNESS: 0.156 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: HH-C-576,TY 3A,CL 2 FED SPEC ALL MATERIAL RESPONSES OVERALL A
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE WIDTH: 3.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.156 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.500 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONHH-C-576,TY 3A,CL 2 FED SPEC ALL MATERIAL RESPONSES OVERALL A
OVERALL LENGTH13.500 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH4.375 INCHES NOMINAL IN
APERTURE WIDTH3.500 INCHES NOMINAL IN
APERTURE LENGTH12.625 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.625 INCHES NOMINAL IN
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 B1819A?
B1819A is a GASKET.
What is the NSN for B1819A?
B1819A is cataloged in the U.S. Government catalog under NSN 5330-00-641-3929. 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.