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109E59 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

109E59: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, hole_diameter: 0.531 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 6.956 INCHES NOMINAL IN, style_designator: NON-CIRCULAR, aperture_diameter: 4.281 INCHES NOMINAL IN, bolt_circle_diameter: 5.832 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-770-1749, 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
109E59
NSN: 5330-00-770-1749
FSC: 5330 — Packing and Gasket Materials
CAGE: 23382 — FWD SEAGRAVE HOLDINGS LP (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
hole_diameter0.531 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width6.956 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
aperture_diameter4.281 INCHES NOMINAL IN
bolt_hole_quantity4
bolt_circle_diameter5.832 INCHES NOMINAL IN
outside_corner_radius0.562 INCHES NOMINAL IN
cross-sectional_thickness0.010 INCHES NOMINAL IN
cross-sectional_shape_styleCLOTH AND SYNTHETIC RUBBER, NONMETALLIC MATERIAL
side_radius_from_gasket_center2.625 INCHES NOMINAL IN
material_document_and_classificationMIL-C-8068,TY 1 MIL SPEC ALL MATERIAL RESPONSES OVERALL
NSN5330-00-770-1749
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 109E59 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: 0.010 INCHES NOMINAL IN
•
SIDE RADIUS FROM GASKET CENTER: 2.625 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-C-8068,TY 1 MIL SPEC ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: CLOTH AND SYNTHETIC RUBBER, NONMETALLIC MATERIAL
•
APERTURE DIAMETER: 4.281 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 4
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.010 INCHES NOMINAL IN
SIDE RADIUS FROM GASKET CENTER2.625 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-C-8068,TY 1 MIL SPEC ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLECLOTH AND SYNTHETIC RUBBER, NONMETALLIC MATERIAL
OVERALL WIDTH6.956 INCHES NOMINAL IN
APERTURE DIAMETER4.281 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
BOLT CIRCLE DIAMETER5.832 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.562 INCHES NOMINAL 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 1
256191Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 109E59?
109E59 is a GASKET.
What parts can replace 109E59?
There is 1 known substitute for 109E59: 256191. Substitute compatibility should be verified for your specific system.
What is the NSN for 109E59?
109E59 is cataloged in the U.S. Government catalog under NSN 5330-00-770-1749. This indicates validated use in U.S. government and defense supply chains.
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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.