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C7NN-6659-A — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

C7NN-6659-A: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, hole_diameter: 0.401 INCHES MINIMUM AND 0.421 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 2.820 INCHES NOMINAL IN, style_designator: NON-CIRCULAR, aperture_diameter: 0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN, bolt_circle_diameter: 2.060 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-102-3633, 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
C7NN-6659-A
NSN: 5330-01-102-3633
FSC: 5330 — Packing and Gasket Materials
CAGE: 00501 — NEW HOLLAND N.V.NC. (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
hole_diameter0.401 INCHES MINIMUM AND 0.421 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
overall_width2.820 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
aperture_diameter0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
bolt_hole_quantity2
bolt_circle_diameter2.060 INCHES NOMINAL IN
outside_corner_radius0.380 INCHES NOMINAL IN
cross-sectional_thickness0.017 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
side_radius_from_gasket_center0.640 INCHES NOMINAL IN
material_document_and_classificationESE--8G14-A FSCM 00501 MFR REF SINGLE MATERIAL RESPONSE OR ESE--8G104-A-FSCM 00501 MFR REF SINGLE MATERIAL RESPONSE OR ESEN--8G134-A FSCM 00501 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-102-3633
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: C7NN-6659-A 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: 0.017 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN
•
SIDE RADIUS FROM GASKET CENTER: 0.640 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: ESE--8G14-A FSCM 00501 MFR REF SINGLE MATERIAL RESPONSE OR ESE--8G104-A-FSCM 00501 MFR REF SINGLE MATERIAL RESPONSE OR ESEN--8G134-A FSCM 00501 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE DIAMETER: 0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
•
BOLT HOLE QUANTITY: 2
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.017 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN
SIDE RADIUS FROM GASKET CENTER0.640 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONESE--8G14-A FSCM 00501 MFR REF SINGLE MATERIAL RESPONSE OR ESE--8G104-A-FSCM 00501 MFR REF SINGLE MATERIAL RESPONSE OR ESEN--8G134-A FSCM 00501 MFR REF SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH2.820 INCHES NOMINAL IN
APERTURE DIAMETER0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
BOLT HOLE QUANTITY2
BOLT CIRCLE DIAMETER2.060 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.380 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

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 C7NN-6659-A?
C7NN-6659-A is a GASKET.
What is the NSN for C7NN-6659-A?
C7NN-6659-A is cataloged in the U.S. Government catalog under NSN 5330-01-102-3633. 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.