MIL-SPEC · Electronic Components
MS91401
Crystal Unit, Quartz
Part NumberMS91401
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-00-267-5087 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Body Length0.755 INCHES MINIMUM AND 0.775 INCHES MAXIMUM
Center To Center Distance Between0.486 INCHES NOMINAL
Operating Temp Range-55.0 TO 90.0 CELSIUS
Overall Thickness0.338 INCHES MINIMUM AND 0.343 INCHES MAXIMUM
Terminal Length0.223 INCHES MINIMUM AND 0.248 INCHES MAXIMUM
Overall Width0.745 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
Overall Length0.978 INCHES MINIMUM AND 1.023 INCHES MAXIMUM
Test Data Document81349-MILC3098 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA
Terminal Diameter0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM
Specified Frequency1.000 MEGAHERTZ
Frequency Tolerance For Operating-0.0075 TO 0.0075
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 MS91401 available?
We can source MS91401 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 MS91401 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS91401 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 MS91401?
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 MS91401?
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.