PartsTable
Technical Data Sheet
PartsTable / MRO / 9-204
9-204 ✓ Verified by PartsTable
Melissa & Doug · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Stranded for flexible routing, solid for conduit THHN/THWN dual-rated — check both tables
Ampacity depends on installation method
PRODUCT OVERVIEW

What should dolly wear for a beach trip, a dance recital, or a snowy day? Move her from page to page in this crinkling, lift-the-flap, dress-up activity book to find the perfect outfit for any occasion. Melissa & Doug K's Kids cloth books are durably constructed to last through story time, playtime, and the washing machine, too. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-661-0191, indicating validated use in U.S.

government and defense logistics supply chains.

WHERE IT FITS
MRO→ MRO_GENERAL→ 9-204
NSN: 6145-00-661-0191
FSC: 6145
CAGE: 16428 — BELDEN WIRE & CABLE COMPANY LLC DBA BELDEN CDT ELECTRONICS DIVISION (USA)
SPECIFICATIONS
colorBLACK
materialPLASTIC POLYAMIDE NYLON SINGLE WALL
base_styleMINIATURE BAYONET
bulb_styleB (ARBITRARY DESIGNATION)
overall_length1.192 INCHES NOMINAL IN
voltage_rating28.0 VOLTS NOMINAL
wattage_rating10.0 WATTS
bulb_designatorT21/4
burning_positionBASE DOWN
rated_average_lifeHOURS
light_output_rating1.000 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
filament_designationT2
NSN6145-00-661-0191
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: 9-204 · Melissa & Doug ⚠ VERIFY BEFORE ORDERING Ampacity depends on installation method — conduit ≠ free air ≠ underground. Same wire, different ratings. AWG sizing is inverse — smaller number = thicker wire (4 AWG > 12 AWG) ✓ BROKER TIP Stranded = flexible routing and vibration resistance. Solid = fixed conduit runs only. THHN/THWN = dual rated — check both dry and wet ampacity tables PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CONDUCTOR ARRANGEMENT AND QUANTITY: 1 COAXIAL
•
CONDUCTOR FORM: SOLID SINGLE CONDUCTOR
•
VOLTAGE RATING: 1700.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
•
MATERIAL: COPPER FIRST POSITION CONDUCTOR SINGLE CONDUCTOR
•
CONDUCTOR QUANTITY: 1
•
NOMINAL CAPACITANCE IN PICOFARADS: 22.0 PER FOOT
•
ELECTRICAL RESISTANCE: 75.0 OHMS IMPEDANCE
TECHNICAL CHARACTERISTICS (FLIS)
CONDUCTOR ARRANGEMENT AND QUANTITY1 COAXIAL
CONDUCTOR FORMSOLID SINGLE CONDUCTOR
VOLTAGE RATING1700.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
MATERIALCOPPER FIRST POSITION CONDUCTOR SINGLE CONDUCTOR
CONDUCTOR QUANTITY1
NOMINAL CAPACITANCE IN PICOFARADS22.0 PER FOOT
MATERIALSTEEL CORE CONDUCTOR SINGLE CONDUCTOR
ELECTRICAL RESISTANCE75.0 OHMS IMPEDANCE
CROSS-SECTIONAL SHAPE STYLEROUND
CROSS SECTION OUTSIDE DIAMETER0.242 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
MIL-DTL-17/75Upgraded Successor
successor cross-reference
successor
M17/164-00002Upgraded Successor
successor cross-reference
successor
M17/75-RG365Upgraded Successor
successor cross-reference
successor
PP15133-0Upgraded Successor
successor cross-reference
successor
B3009CG29-0Upgraded Successor
successor cross-reference
successor
M17/93-RG178-BLACKUpgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9-204?
9-204 is a RELAY,ELECTROMAGNETIC manufactured by Melissa & Doug. It is classified as a MRO (MRO_GENERAL).
What parts can replace 9-204?
There are 27 known substitutes for 9-204: MIL-DTL-17/75, M17/164-00002, M17/75-RG365 and 24 more. Substitute compatibility should be verified for your specific system.
Is 9-204 still available?
9-204 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026