Amphenol · Electronic Components
MS90561-4
Circular MIL / Spec Connectors QWL
Part NumberMS90561-4
ManufacturerAmphenol
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-166-8036 (NSN)
Federal Item NameBACKSHELL,ELECTRICAL CONNECTOR
MaterialSTEEL CORROSION RESISTING
Overall Length7.500 INCHES NOMINAL
Overall Diameter1.787 INCHES MINIMUM AND 1.797 INCHES MAXIMUM
Cable Opening Quantity1
Size Designation28
Body Length0.485 INCHES NOMINAL
Cable Opening Diameter0.688 INCHES MINIMUM AND 0.844 INCHES MAXIMUM
Style DesignatorSTRAIGHT TYPE W/STRAIN RELIEF
Mounting Facility Type And Quantit1 SNAP-IN
Federal Supply Class5935 — Connectors, Electrical
Test Data Document81349-MIL-C-22992 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
ESD/EMICode A — ESD/EMI sensitive item
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 MS90561-4 available?
We can source MS90561-4 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 MS90561-4 by Amphenol obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS90561-4 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 MS90561-4?
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 MS90561-4?
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.