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A58666 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A58666: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: ASBESTOS AND CORK AND STEEL OR ASBESTOS AND WOOL AND STEEL OR ASBESTOS AND STEEL OVERALL, hole_diameter: 0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 2.760 INCHES NOMINAL IN, aperture_width: 1.1880 INCHES NOMINAL IN, overall_length: 3.948 INCHES NOMINAL IN, aperture_length: 1.880 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-042-2827, 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
A58666
NSN: 5330-01-042-2827
FSC: 5330 — Packing and Gasket Materials
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
materialASBESTOS AND CORK AND STEEL OR ASBESTOS AND WOOL AND STEEL OR ASBESTOS AND STEEL OVERALL
hole_diameter0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width2.760 INCHES NOMINAL IN
aperture_width1.1880 INCHES NOMINAL IN
overall_length3.948 INCHES NOMINAL IN
aperture_length1.880 INCHES NOMINAL IN
special_featuresSTEEL INSERT FACED BOTH SIDED WITH ASBESTOS
style_designatorNON-CIRCULAR
inside_corner_radius0.500 INCHES NOMINAL IN
cross-sectional_thickness0.060 INCHES NOMINAL IN
cross-sectional_shape_styleMETAL AND METALLIC MATERIALS
material_document_and_classificationCORBESTOS FSCM 79150 MFR REF SINGLE MATERIAL RESPONSE OR LBESTOS FSCM 73165 MFR REF 4TH MATERIAL RESPONSE OR STEEL BESTOS FSCM 72586 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-042-2827
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A58666 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: 0.060 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: CORBESTOS FSCM 79150 MFR REF SINGLE MATERIAL RESPONSE OR LBESTOS FSCM 73165 MFR REF 4TH MATERIAL RESPONSE OR STEEL BESTOS FSCM 72586 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: METAL AND METALLIC MATERIALS
•
APERTURE WIDTH: 1.1880 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.060 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.500 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONCORBESTOS FSCM 79150 MFR REF SINGLE MATERIAL RESPONSE OR LBESTOS FSCM 73165 MFR REF 4TH MATERIAL RESPONSE OR STEEL BESTOS FSCM 72586 MFR REF SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH3.948 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEMETAL AND METALLIC MATERIALS
OVERALL WIDTH2.760 INCHES NOMINAL IN
APERTURE WIDTH1.1880 INCHES NOMINAL IN
APERTURE LENGTH1.880 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH3.188 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
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A58666?
A58666 is a GASKET.
What is the NSN for A58666?
A58666 is cataloged in the U.S. Government catalog under NSN 5330-01-042-2827. 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.