MIL-SPEC · Electronic Components
MS21381-27
Coil, Radio Frequency
Part NumberMS21381-27
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-097-9241 (NSN)
Federal Item NameCOIL,RADIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDINGELECTRICAL SINGLE COMPONENT SINGLE WINDING
Coil Form TypeHOLLOW SINGLE COMPONENTHOLLOW SINGLE COMPONENT
Body Length0.370 INCHES MINIMUM AND 0.370 INCHES MINIMUM AND 0.430 INCHES MAXIMUM0.430 INCHES MAXIMUM
Features ProvidedTINNED WIRE LEADSTINNED WIRE LEADS
Adjustment Device Drive TypeSLOTTED SCREW SINGLE COMPONENTSLOTTED SCREW SINGLE COMPONENT
Adjustment Method And Quantity1 ADJUSTABLE CORE SINGLE COMPONENT1 ADJUSTABLE CORE SINGLE COMPONENT
Winding Operating Current301.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING301.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDI
Inclosure TypeFULLY INCLOSEDFULLY INCLOSED
Mounting MethodTERMINAL SINGLE GROUPTERMINAL SINGLE GROUP
Winding Conductor Size0.02010 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING0.02010 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SING
Dc Resistance Rating In Ohms0.865 SINGLE COMPONENT SINGLE WINDING0.865 SINGLE COMPONENT SINGLE WINDING
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 MS21381-27 available?
We can source MS21381-27 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 MS21381-27 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS21381-27 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 MS21381-27?
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 MS21381-27?
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.