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311365 — GASKET

✓ Government record, cited
Legrand · ORING SEAL
PRODUCT OVERVIEW

311365: GASKET.

The GASKET is a Legrand industrial component. Key specifications include material: ASBESTOS AND RUBBER POLYISOPRENE NATURAL CLASS NR OR RUBBER POLYISOPRENE SYNTHETIC CLASS IR OVERALL, hole_diameter: 0.188 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 7.719 INCHES NOMINAL IN, overall_length: 5.750 INCHES NOMINAL IN, special_features: ELEVEN BOLT HOLES 0.219 IN. DIA AND TWO BOLT HOLES 0.281 IN.

DIA IN, cross-sectional_thickness: 0.031 INCHES NOMINAL IN. This part is cataloged in the U.S. Government catalog under NSN 5330-00-059-5412, 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
311365
NSN: 5330-00-059-5412
FSC: 5330 — Packing and Gasket Materials
CAGE: 80256 — OUTBOARD MARINE CORP (USA)
SPECIFICATIONS
materialASBESTOS AND RUBBER POLYISOPRENE NATURAL CLASS NR OR RUBBER POLYISOPRENE SYNTHETIC CLASS IR OVERALL
hole_diameter0.188 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width7.719 INCHES NOMINAL IN
overall_length5.750 INCHES NOMINAL IN
special_featuresELEVEN BOLT HOLES 0.219 IN. DIA AND TWO BOLT HOLES 0.281 IN. DIA IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-G-12803,+1161-A MIL SPEC ALL MATERIAL RESPONSES OVERALL
NSN5330-00-059-5412
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 311365 MFR: Legrand ⚠ 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: 0.031 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803,+1161-A MIL SPEC ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
MATERIAL: ASBESTOS AND RUBBER POLYISOPRENE NATURAL CLASS NR OR RUBBER POLYISOPRENE SYNTHETIC CLASS IR OVERALL
•
HOLE DIAMETER: 0.188 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803,+1161-A MIL SPEC ALL MATERIAL RESPONSES OVERALL
OVERALL LENGTH5.750 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH7.719 INCHES NOMINAL IN
SPECIAL FEATURESELEVEN BOLT HOLES 0.219 IN. DIA AND TWO BOLT HOLES 0.281 IN. DIA IN
MATERIALASBESTOS AND RUBBER POLYISOPRENE NATURAL CLASS NR OR RUBBER POLYISOPRENE SYNTHETIC CLASS IR OVERALL
HOLE DIAMETER0.188 INCHES NOMINAL 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 311365?
311365 is a GASKET manufactured by Legrand.
What is the NSN for 311365?
311365 is cataloged in the U.S. Government catalog under NSN 5330-00-059-5412. 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.