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7M7666 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7M7666: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: ASBESTOS AND STEEL OVERALL, hole_diameter: 0.531 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 4.016 INCHES NOMINAL IN, aperture_width: 2.120 INCHES NOMINAL IN, overall_length: 5.040 INCHES NOMINAL IN, aperture_length: 3.360 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-893-4308, 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
7M7666
NSN: 5330-00-893-4308
FSC: 5330 — Packing and Gasket Materials
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialASBESTOS AND STEEL OVERALL
hole_diameter0.531 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width4.016 INCHES NOMINAL IN
aperture_width2.120 INCHES NOMINAL IN
overall_length5.040 INCHES NOMINAL IN
aperture_length3.360 INCHES NOMINAL IN
cross-sectional_thickness0.062 INCHES NOMINAL IN
cross-sectional_shape_styleMETAL WITH SOFT FILLER
center_to_center_distance_between_bolt_holes_along_width2.976 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
center_to_center_distance_between_bolt_holes_along_length3.140 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
NSN5330-00-893-4308
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7M7666 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: 0.062 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: METAL WITH SOFT FILLER
•
APERTURE WIDTH: 2.120 INCHES NOMINAL IN
•
APERTURE LENGTH: 3.360 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH: 3.140 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH: 2.976 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
OVERALL LENGTH5.040 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEMETAL WITH SOFT FILLER
OVERALL WIDTH4.016 INCHES NOMINAL IN
APERTURE WIDTH2.120 INCHES NOMINAL IN
APERTURE LENGTH3.360 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH3.140 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH2.976 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MATERIALASBESTOS AND STEEL OVERALL
HOLE DIAMETER0.531 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 7M7666?
7M7666 is a GASKET.
What is the NSN for 7M7666?
7M7666 is cataloged in the U.S. Government catalog under NSN 5330-00-893-4308. 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.