BROTHER · Electronic Components
M921
3/8 BLACK ON SILVER PT-85 100
Part NumberM921
ManufacturerBROTHER
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-463-3803 (NSN)
Additional NSNs5998-01-024-7479
Federal Item NameCOIL,ELECTRICAL
Terminals4 WIRE LEAD
Overall Diameter0.892 INCHES NOMINAL
Special FeaturesELECTRICAL ISOLATION MUST BE MAINTAINED BETWEEN CORE AND WIRE PINS
Winding Quantity1 SINGLE COMPONENT
Turn Quantity20 SINGLE COMPONENT SINGLE WINDING
Inclosure TypeFULLY INCLOSED
Rating MethodWINDING TURNS SINGLE COMPONENT SINGLE WINDING
Winding Conductor Size0.02535 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING
Reliability IndicatorNOT ESTABLISHED
Body Length0.580 INCHES MAXIMUM
Federal Supply Class5950 — Coils And Transformers
ESD/EMICode B — ESD/EMI sensitive item
Terminal Type And Quantity4 WIRE LEAD
Vendor Part Numbers301223-003
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 M921 available?
We can source M921 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 M921 by BROTHER obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M921 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 M921?
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 M921?
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.