MIL-SPEC · Electronic Components
M21346/3-29
Fuseholder, Block
Part NumberM21346/3-29
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-00-059-3751 (NSN)
Federal Item NameFUSEHOLDER,BLOCK
Federal Supply Class5920 — Fuses and Lightning Arresters
Fuse Terminal Type AccommodatedFERRULE
Test Data Document81349-MIL-F-21346 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Current Carrying Rating In Amps20.0
Coating MethodPLATED CONTACT
MaterialCOPPER ALLOY 172 AND COPPER ALLOY 170 TERMINAL
Surface TreatmentSOLDER DIP AND TIN TERMINAL
Internal Circuit Configuration And4 POLE, MAINLINE, FUSED
Material Document And ClassificatiQQ-C-530 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE TERMINAL
Voltage In Volts250.0
Accommodated Ferrule Diameter0.250 INCHES NOMINAL
Overall Width2.360 INCHES MINIMUM AND 2.400 INCHES MAXIMUM
Cancelled NSN5920-01-292-2325 (cancelled)
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is M21346/3-29 available?
We can source M21346/3-29 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is M21346/3-29 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M21346/3-29 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like M21346/3-29?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for M21346/3-29?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.