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Technical Data Sheet
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FPA290 ✓ 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 PLUG,FUSIBLE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY CASING, core_diameter: 0.219 INCHES NOMINAL IN, usage_location: OUTSIDE, features_provided: CORE AND HEAT NUMBER, core_fusing_temp_rating: 283.0 DEG FAHRENHEIT, thread_size_and_series/type_designator: 1/8-27 NPTF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-162-8574, 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
FPA290
NSN: 5340-00-162-8574
FSC: 5340
CAGE: 58553 — SUPERIOR VALVE CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY CASING
core_diameter0.219 INCHES NOMINAL IN
usage_locationOUTSIDE
features_providedCORE AND HEAT NUMBER
core_fusing_temp_rating283.0 DEG FAHRENHEIT
thread_size_and_series/type_designator1/8-27 NPTF
NSN5340-00-162-8574
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: FPA290 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
•
MATERIAL: COPPER ALLOY CASING
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 1/8-27 NPTF
•
FEATURES PROVIDED: CORE AND HEAT NUMBER
•
CORE DIAMETER: 0.219 INCHES NOMINAL IN
•
USAGE LOCATION: OUTSIDE
•
CORE FUSING TEMP RATING: 283.0 DEG FAHRENHEIT
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY CASING
THREAD SIZE AND SERIES/TYPE DESIGNATOR1/8-27 NPTF
FEATURES PROVIDEDCORE AND HEAT NUMBER
CORE DIAMETER0.219 INCHES NOMINAL IN
USAGE LOCATIONOUTSIDE
CORE FUSING TEMP RATING283.0 DEG FAHRENHEIT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
14058Interchangeable
interchangeable cross-reference
interchangeable
A14058Interchangeable
interchangeable cross-reference
interchangeable
FPA1-8 14058Interchangeable
interchangeable cross-reference
interchangeable
13229E6163Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FPA290?
FPA290 is a PLUG,FUSIBLE.
What parts can replace FPA290?
There are 4 known substitutes for FPA290: 14058, A14058, FPA1-8 14058 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FPA290?
FPA290 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-162-8574. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026