PartsTable
Technical Data Sheet
78151-119 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROSILICONE CLASS FQ, temp_rating: -67.0 FAHRENHEIT AND 347.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, outside_diameter: 1.130 INCHES NOMINAL IN, center_hole_diameter: 0.918 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-020-5267, 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
78151-119
NSN: 5331-01-020-5267
FSC: 5331 — O-RING
CAGE: 11599 — TRIUMPH ENGINE CONTROL SYSTEMS LLC (USA)
SPECIFICATIONS
materialRUBBER FLUOROSILICONE CLASS FQ
temp_rating-67.0 FAHRENHEIT AND 347.0 FAHRENHEIT DEGF
hardness_rating75.0 SHORE DUROMETER A NOMINAL
outside_diameter1.130 INCHES NOMINAL IN
center_hole_diameter0.918 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN5331-01-020-5267
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 78151-119 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
CENTER HOLE DIAMETER: 0.918 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
OUTSIDE DIAMETER: 1.130 INCHES NOMINAL IN
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
TEMP RATING: -67.0 FAHRENHEIT AND 347.0 FAHRENHEIT DEGF
MATERIAL: RUBBER FLUOROSILICONE CLASS FQ
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER0.918 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.130 INCHES NOMINAL IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
TEMP RATING-67.0 FAHRENHEIT AND 347.0 FAHRENHEIT DEGF
MATERIALRUBBER FLUOROSILICONE CLASS FQ
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
78151-159Interchangeable
interchangeable cross-reference
interchangeable
AMS7273CInterchangeable
interchangeable cross-reference
interchangeable
AS568-159Interchangeable
interchangeable cross-reference
interchangeable
AS568-119 MIL-R-8791Interchangeable
interchangeable cross-reference
interchangeable
5120T-4MP-150 ITEM 4Interchangeable
interchangeable cross-reference
interchangeable
4119-20Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 78151-119?
78151-119 is a O-RING.
What parts can replace 78151-119?
There are 7 known substitutes for 78151-119: 78151-159, AMS7273C, AS568-159 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 78151-119?
78151-119 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-020-5267. This indicates validated use in U.S. government and defense supply chains.
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