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2811493-1 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2811493-1: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q OVERALL, end_radius: 0.425 INCHES MINIMUM AND 0.455 INCHES MAXIMUM IN, side_radius: 0.150 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN, hole_diameter: 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, aperture_width: 0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN, overall_length: 1.305 INCHES MINIMUM AND 1.335 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-339-4021, 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
2811493-1
NSN: 5330-01-339-4021
FSC: 5330 — Packing and Gasket Materials
CAGE: 55972 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q OVERALL
end_radius0.425 INCHES MINIMUM AND 0.455 INCHES MAXIMUM IN
side_radius0.150 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
hole_diameter0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
aperture_width0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
overall_length1.305 INCHES MINIMUM AND 1.335 INCHES MAXIMUM IN
style_designatorNON-CIRCULAR
cross-sectional_thickness0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationCHO-SEAL 1285,CAGEC 18565 MFR REF SINGLE MATERIAL RESPONSE OVERALL
center_to_center_distance_between_bolt_holes_along_length0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
NSN5330-01-339-4021
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2811493-1 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: 0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
•
END RADIUS: 0.425 INCHES MINIMUM AND 0.455 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: CHO-SEAL 1285,CAGEC 18565 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE WIDTH: 0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
•
SIDE RADIUS: 0.150 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
END RADIUS0.425 INCHES MINIMUM AND 0.455 INCHES MAXIMUM IN
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONCHO-SEAL 1285,CAGEC 18565 MFR REF SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH1.305 INCHES MINIMUM AND 1.335 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
APERTURE WIDTH0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
SIDE RADIUS0.150 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
MATERIALRUBBER SILICONE CLASS Q OVERALL
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2811493-1?
2811493-1 is a GASKET.
What is the NSN for 2811493-1?
2811493-1 is cataloged in the U.S. Government catalog under NSN 5330-01-339-4021. 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.