MIL-SPEC · Electronic Components
FH55BM
Fuseholder, Receptacle
Part NumberFH55BM
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-00-627-3712 (NSN)
Federal Item NameFUSEHOLDER,RECEPTACLE
Federal Supply Class5920 — Fuses and Lightning Arresters
Mounting Hole StyleIN-LINE ALONG THE LENGTHIN-LINE ALONG THE LENGTH
MaterialCOPPER ALLOY CONTACTCOPPER ALLOY CONTACT
Material Document And ClassificatiMIL-I-10, GRADE L211 MIL SPEC SINGLE MATERIAL RESPONSE BODYMIL-I-10, GRADE L211 MIL SPEC SINGLE MATERIAL RESPONSE BODY
Surface Treatment Document And ClaQQ-N-290, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE TERMINALQQ-N-290, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE TERMIN
Surface TreatmentNICKEL TERMINALNICKEL TERMINAL
Test Data Document81349-MIL-F-21346 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Terminal Type And Quantity4 SCREW4 SCREW
Center To Center Distance Between1.745 INCHES MINIMUM AND 1.745 INCHES MINIMUM AND 1.755 INCHES MAXIMUM1.755 INCHES MAXIMUM
Voltage In Volts125.0125.0
Current Carrying Rating In Amps30.030.0
Internal Circuit Configuration And2 POLE, MAINLINE, FUSED2 POLE, MAINLINE, FUSED
Cancelled NSN5920-00-510-7620 (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 FH55BM available?
We can source FH55BM 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 FH55BM by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If FH55BM 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 FH55BM?
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 FH55BM?
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.