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Technical Data Sheet

55A46A8 — Technical Data Sheet

✓ 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: 0.281 INCHES NOMINAL IN, usage_location: OUTSIDE, features_provided: CORE, core_fusing_temp_rating: 212.0 DEG FAHRENHEIT, material_document_and_classification: QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE CASING. This part is cataloged in the Federal Logistics Information System under NSN 5340-00-572-4755, 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
55A46A8
NSN: 5340-00-572-4755
FSC: 5340
CAGE: 56190 — METADURE PARTS & SALES, INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY CASING
core_diameter0.281 INCHES NOMINAL IN
usage_locationOUTSIDE
features_providedCORE
core_fusing_temp_rating212.0 DEG FAHRENHEIT
material_document_and_classificationQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE CASING
thread_size_and_series/type_designator0.514-19 UNS
NSN5340-00-572-4755
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 55A46A8 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
•
CORE FUSING TEMP RATING: 212.0 DEG FAHRENHEIT
•
USAGE LOCATION: OUTSIDE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE CASING
•
MATERIAL: COPPER ALLOY CASING
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.514-19 UNS
•
FEATURES PROVIDED: CORE
•
CORE DIAMETER: 0.281 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CORE FUSING TEMP RATING212.0 DEG FAHRENHEIT
USAGE LOCATIONOUTSIDE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE CASING
MATERIALCOPPER ALLOY CASING
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.514-19 UNS
FEATURES PROVIDEDCORE
CORE DIAMETER0.281 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
HS25MInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
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100102InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
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940709-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2-0043-2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
VC 32GInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
C 0555InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55A46A8?
55A46A8 is a PLUG,FUSIBLE.
What parts can replace 55A46A8?
There are 14 known substitutes for 55A46A8: HS25M, 100102, 940709-1 and 11 more. Substitute compatibility should be verified for your specific system.
Is 55A46A8 still available?
55A46A8 is currently cancelled.
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