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2478W118 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2478W118: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include outside_diameter: 0.207 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 0.162 INCHES NOMINAL IN, bearing_surface_width: 0.045 INCHES NOMINAL IN, cross-sectional_thickness: 0.0625 INCHES NOMINAL IN, gage_ring_outside_diameter: 0.286 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-365-1786, 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
2478W118
NSN: 5330-01-365-1786
FSC: 5330 — Packing and Gasket Materials
CAGE: U1605 — HONEYWELL AEROSPACE YEOVIL DIV AEROSPACE -YEOVIL (GBR)
SPECIFICATIONS
outside_diameter0.207 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter0.162 INCHES NOMINAL IN
bearing_surface_width0.045 INCHES NOMINAL IN
cross-sectional_thickness0.0625 INCHES NOMINAL IN
gage_ring_outside_diameter0.286 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-01-365-1786
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2478W118 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: 0.0625 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
BEARING SURFACE WIDTH: 0.045 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 0.207 INCHES NOMINAL IN
•
GAGE RING OUTSIDE DIAMETER: 0.286 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
•
APERTURE DIAMETER: 0.162 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.0625 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
BEARING SURFACE WIDTH0.045 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER0.207 INCHES NOMINAL IN
GAGE RING OUTSIDE DIAMETER0.286 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
APERTURE DIAMETER0.162 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 3
3000S01479Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
10116950Reference document
Same NSN cross-reference
Reference document — Informative reference only
300-002-8839-02Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2478W118?
2478W118 is a GASKET.
What parts can replace 2478W118?
There are 3 known substitutes for 2478W118: 3000S01479, 10116950, 300-002-8839-02. Substitute compatibility should be verified for your specific system.
What is the NSN for 2478W118?
2478W118 is cataloged in the U.S. Government catalog under NSN 5330-01-365-1786. This indicates validated use in U.S. government and defense supply chains.
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