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478188 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

478188: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 110 OVERALL, hole_diameter: 0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 3.589 INCHES NOMINAL IN, style_designator: NON-CIRCULAR, aperture_diameter: 2.120 INCHES MINIMUM AND 2.140 INCHES MAXIMUM IN, precious_material: SILVER. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-084-1352, 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
478188
NSN: 5330-00-084-1352
FSC: 5330 — Packing and Gasket Materials
CAGE: 62224 — SATELLITE AEROSPACE, INCORPORATED DBA SATELLITE AEROSPACE INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 110 OVERALL
hole_diameter0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
overall_width3.589 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
aperture_diameter2.120 INCHES MINIMUM AND 2.140 INCHES MAXIMUM IN
precious_materialSILVER
surface_treatmentSILVER OVERALL
bolt_hole_quantity4
bolt_circle_diameter2.965 INCHES NOMINAL IN
outside_corner_radius0.297 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
cross-sectional_thickness0.041 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN
cross-sectional_shape_styleRECTANGULAR METAL
NSN5330-00-084-1352
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 478188 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2412 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
CROSS-SECTIONAL THICKNESS: 0.041 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN
•
PRECIOUS MATERIAL: SILVER
•
SIDE RADIUS FROM GASKET CENTER: 1.483 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4500 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR METAL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2412 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
CROSS-SECTIONAL THICKNESS0.041 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN
PRECIOUS MATERIALSILVER
SIDE RADIUS FROM GASKET CENTER1.483 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4500 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR METAL
OVERALL WIDTH3.589 INCHES NOMINAL IN
APERTURE DIAMETER2.120 INCHES MINIMUM AND 2.140 INCHES MAXIMUM IN
BOLT HOLE QUANTITY4
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 478188?
478188 is a GASKET.
What is the NSN for 478188?
478188 is cataloged in the U.S. Government catalog under NSN 5330-00-084-1352. 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.