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Technical Data Sheet
PartsTable / MRO / 684-2
684-2 ✓ Verified by PartsTable
Giochi Preziosi · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include material: STEEL CORROSION RESISTING FILTERING MEDIUM, tube_type: PENTODE, body_style: CYLINDRICAL BUSHING MOUNTED, body_length: 0.469 INCHES MAXIMUM IN, design_type: NONREUSABLE, flat_height: 0.094 INCHES NOMINAL 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 5330-00-027-9346, 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
MRO→ MRO_GENERAL→ 684-2
NSN: 5330-00-027-9346
FSC: 5330
CAGE: 02728 — MANUFACTURER'S COMMERCIAL FINANCE, LLC DBA ELECTRO-FLEX HEAT (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING FILTERING MEDIUM
tube_typePENTODE
body_styleCYLINDRICAL BUSHING MOUNTED
body_length0.469 INCHES MAXIMUM IN
design_typeNONREUSABLE
flat_height0.094 INCHES NOMINAL IN
memory_size64.0 MEGABYTES
shaft_styleROUND, FLATTED
unit_designPANEL MOUNTED
shaft_length0.500 INCHES NOMINAL IN
actuator_typeSINGLE SHAFT
body_diameter0.750 INCHES NOMINAL IN
NSN5330-00-027-9346
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 684-2 MFR: Giochi Preziosi ⚠ 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
•
UNABLE TO DECODE: UNABLE TO DECODE
•
MATERIAL: FIBERGLASS LAYER
TECHNICAL CHARACTERISTICS (FLIS)
UNABLE TO DECODEUNABLE TO DECODE
MATERIALFIBERGLASS LAYER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
SN7437N-00Interchangeable
interchangeable cross-reference
interchangeable
SN 7437Interchangeable
interchangeable cross-reference
interchangeable
01-49018-57Interchangeable
interchangeable cross-reference
interchangeable
7437Interchangeable
interchangeable cross-reference
interchangeable
647030-901Interchangeable
interchangeable cross-reference
interchangeable
684-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 684-2?
684-2 is a RESISTOR,VARIABLE,NONWIRE WOUND, manufactured by Giochi Preziosi. It is classified as a MRO (MRO_GENERAL).
What parts can replace 684-2?
There are 13 known substitutes for 684-2: SN7437N-00, SN 7437, 01-49018-57 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 684-2?
684-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-027-9346. 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