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BL-8409 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

BL-8409: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY AND RUBBER SYNTHETIC OVERALL, hole_diameter: 0.159 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 1.594 INCHES NOMINAL IN, aperture_width: 1.250 INCHES NOMINAL IN, overall_length: 2.156 INCHES NOMINAL IN, aperture_length: 1.812 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-936-8408, 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
BL-8409
NSN: 5330-00-936-8408
FSC: 5330 — Packing and Gasket Materials
CAGE: 08484 — BREEZE-EASTERN LLC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY AND RUBBER SYNTHETIC OVERALL
hole_diameter0.159 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width1.594 INCHES NOMINAL IN
aperture_width1.250 INCHES NOMINAL IN
overall_length2.156 INCHES NOMINAL IN
aperture_length1.812 INCHES NOMINAL IN
bolt_hole_quantity4
inside_corner_radius0.3438 INCHES NOMINAL IN
outside_corner_radius0.1250 INCHES NOMINAL IN
cross-sectional_thickness0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
cross-sectional_shape_styleMETAL AND SYNTHETIC RUBBER
material_document_and_classificationBL8409,08484 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-936-8408
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: BL-8409 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: 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
•
INSIDE CORNER RADIUS: 0.3438 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: BL8409,08484 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: METAL AND SYNTHETIC RUBBER
•
APERTURE WIDTH: 1.250 INCHES NOMINAL IN
•
APERTURE LENGTH: 1.812 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
INSIDE CORNER RADIUS0.3438 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONBL8409,08484 MFR REF SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH2.156 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEMETAL AND SYNTHETIC RUBBER
OVERALL WIDTH1.594 INCHES NOMINAL IN
APERTURE WIDTH1.250 INCHES NOMINAL IN
APERTURE LENGTH1.812 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH1.870 INCHES MINIMUM AND 1.880 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED 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
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BL-8409?
BL-8409 is a GASKET.
What is the NSN for BL-8409?
BL-8409 is cataloged in the U.S. Government catalog under NSN 5330-00-936-8408. 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.