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13578N18-456C — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

13578N18-456C: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include special_features: WSD IS SUB ENGINEERING AND DIESEL SYS;OUTSIDE DIA. IS 29", center_hole_diameter: 28.500 INCHES NOMINAL IN, cross-sectional_height: 0.250 INCHES NOMINAL IN, end_item_identification: HARDWARE.

This part is cataloged in the U.S. Government catalog under NSN 5331-01-473-6005, 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
13578N18-456C
NSN: 5331-01-473-6005
FSC: 5331 — O-ring
CAGE: 88032 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING (USA)
SPECIFICATIONS
special_featuresWSD IS SUB ENGINEERING AND DIESEL SYS;OUTSIDE DIA. IS 29"
center_hole_diameter28.500 INCHES NOMINAL IN
cross-sectional_height0.250 INCHES NOMINAL IN
end_item_identificationHARDWARE
NSN5331-01-473-6005
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 13578N18-456C 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 HEIGHT: 0.250 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 28.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.250 INCHES NOMINAL IN
SPECIAL FEATURESWSD IS SUB ENGINEERING AND DIESEL SYS;OUTSIDE DIA. IS 29"
CENTER HOLE DIAMETER28.500 INCHES NOMINAL IN
END ITEM IDENTIFICATIONHARDWARE
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 1
M22050GR3Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 13578N18-456C?
13578N18-456C is a O-RING.
What parts can replace 13578N18-456C?
There is 1 known substitute for 13578N18-456C: M22050GR3. Substitute compatibility should be verified for your specific system.
What is the NSN for 13578N18-456C?
13578N18-456C is cataloged in the U.S. Government catalog under NSN 5331-01-473-6005. 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.