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4178866 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4178866: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, hole_diameter: 0.205 INCHES MINIMUM AND 0.225 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 8.500 INCHES MINIMUM AND 8.700 INCHES MAXIMUM IN, aperture_width: 0.760 INCHES MINIMUM AND 0.800 INCHES MAXIMUM IN, overall_length: 11.100 INCHES MINIMUM AND 11.300 INCHES MAXIMUM IN, aperture_length: 10.200 INCHES MINIMUM AND 10.600 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-032-8136, 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
4178866
NSN: 5330-01-032-8136
FSC: 5330 — Packing and Gasket Materials
CAGE: 80212 — BAE SYSTEMS LAND & ARMAMENTS L.P. (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
hole_diameter0.205 INCHES MINIMUM AND 0.225 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
overall_width8.500 INCHES MINIMUM AND 8.700 INCHES MAXIMUM IN
aperture_width0.760 INCHES MINIMUM AND 0.800 INCHES MAXIMUM IN
overall_length11.100 INCHES MINIMUM AND 11.300 INCHES MAXIMUM IN
aperture_length10.200 INCHES MINIMUM AND 10.600 INCHES MAXIMUM IN
style_designatorNON-CIRCULAR
bolt_hole_quantity10
inside_corner_radius0.250 INCHES NOMINAL IN
outside_corner_radius0.130 INCHES NOMINAL IN
cross-sectional_thickness0.060 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-01-032-8136
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4178866 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: 0.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE WIDTH: 0.760 INCHES MINIMUM AND 0.800 INCHES MAXIMUM IN
•
APERTURE LENGTH: 10.200 INCHES MINIMUM AND 10.600 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.060 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.250 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
OVERALL LENGTH11.100 INCHES MINIMUM AND 11.300 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH8.500 INCHES MINIMUM AND 8.700 INCHES MAXIMUM IN
APERTURE WIDTH0.760 INCHES MINIMUM AND 0.800 INCHES MAXIMUM IN
APERTURE LENGTH10.200 INCHES MINIMUM AND 10.600 INCHES MAXIMUM IN
BOLT HOLE QUANTITY10
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH3.800 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 4178866?
4178866 is a GASKET.
What is the NSN for 4178866?
4178866 is cataloged in the U.S. Government catalog under NSN 5330-01-032-8136. 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.