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78178-114 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

78178-114: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, temp_rating: 5.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM, center_hole_diameter: 0.607 INCHES MINIMUM AND 0.617 INCHES MAXIMUM IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN, part_name_assigned_by_controlling_agency: PACKING,PREFORMED. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-040-4051, 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
78178-114
NSN: 5331-01-040-4051
FSC: 5331 — O-ring
CAGE: 11599 — TRIUMPH ENGINE CONTROL SYSTEMS LLC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
temp_rating5.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
hardness_rating70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
center_hole_diameter0.607 INCHES MINIMUM AND 0.617 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
part_name_assigned_by_controlling_agencyPACKING,PREFORMED
NSN5331-01-040-4051
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 78178-114 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
•
TEMP RATING: 5.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
•
CENTER HOLE DIAMETER: 0.607 INCHES MINIMUM AND 0.617 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
TEMP RATING5.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
HARDNESS RATING70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
CENTER HOLE DIAMETER0.607 INCHES MINIMUM AND 0.617 INCHES MAXIMUM IN
PART NAME ASSIGNED BY CONTROLLING AGENCYPACKING,PREFORMED
MATERIALRUBBER SYNTHETIC
SUBSTITUTES & CROSS-REFERENCES 1
136786-114ESReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 78178-114?
78178-114 is a O-RING.
What parts can replace 78178-114?
There is 1 known substitute for 78178-114: 136786-114ES. Substitute compatibility should be verified for your specific system.
What is the NSN for 78178-114?
78178-114 is cataloged in the U.S. Government catalog under NSN 5331-01-040-4051. This indicates validated use in U.S. government and defense supply chains.
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