MIL-SPEC · Electronic Components
MS3181-18C
Cover, Electrical Connector
Part NumberMS3181-18C
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-089-1145 (NSN)
Federal Item NameCOVER,ELECTRICAL CONNECTOR
Federal Supply Class5935 — Connectors, Electrical
Body Height0.656 INCHES MAXIMUM
Attachment Feature Length3.250 INCHES MINIMUM AND 3.750 INCHES MAXIMUM
Seal TypeGASKET
Overall Diameter1.375 INCHES MAXIMUM
Furnished ItemsCHAIN
Size Designation18
Mounting Facility Type And Quantit1 TWIST LOCK
Eye Inside Diameter0.162 INCHES MINIMUM AND 0.177 INCHES MAXIMUM
Style DesignatorINTERNAL BAYONET W/CHAIN OR ROPE
MaterialRUBBER SEAL
Test Data Document96906-MS3181 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
Cancelled NSN5935-00-905-0416 (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 MS3181-18C available?
We can source MS3181-18C 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 MS3181-18C by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS3181-18C 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 MS3181-18C?
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 MS3181-18C?
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.