Nason · Electronic Components
MM-6B-135F/NP139
Switch, Pressure
Part NumberMM-6B-135F/NP139
ManufacturerNason
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-656-5042 (NSN)
Federal Item NameSWITCH,PRESSURE
Federal Supply Class5930 — Switches
Contact Stimulus Rating135.0 ACTUATION POINT NOMINAL POUNDS PER SQUARE INCH
Body Length1.6 INCHES MAXIMUM
Overall Diameter1.0 INCHES NOMINAL
Contact Action StimulusDECREASE
Style DesignatorCYLINDRICAL
Nonpile Up Contact Arrangement2 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Terminal TypeWIRE LEAD
Vendor Part Numbers3636539
Body Height1.99 INCHES NOMINAL
Contact AdjustabilityACTUATION POINT NOT ADJUSTABLE AND DEACTUATION POINT NOT ADJUSTABLE
Overall Height7.87 INCHES NOMINAL
Proof Pressure1800.0 POUNDS PER SQUARE INCH
Features ProvidedROHS DIRECTIVE COMPLIANCE
Pressure Switch TypeDIFFERENTIAL
Body Diameter1.00 INCHES NOMINAL
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 MM-6B-135F/NP139 available?
We can source MM-6B-135F/NP139 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 MM-6B-135F/NP139 by Nason obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MM-6B-135F/NP139 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 MM-6B-135F/NP139?
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 MM-6B-135F/NP139?
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.