Tektronix · Electronic Components
311-1257-00
Resistor, Variable, Nonwire Wound,
Part Number311-1257-00
ManufacturerTektronix
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-012-3764 (NSN)
Federal Item NameRESISTOR,VARIABLE,NONWIRE WOUND,
Federal Supply Class5905 — Resistors
Overall Width0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM
Overall Length0.340 INCHES MINIMUM
Body Width0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM
Reliability IndicatorNOT ESTABLISHED
Terminal Type And Quantity3 PIN
Terminal Length0.110 INCHES MINIMUM
Body StyleRECTANGULAR
Electrical Resistance Per Section5.0 MEGOHMS SINGLE SECTION
Rotary Actuator Travel In Angular360.0 NOMINAL
Terminal LocationREAR END
Mounting MethodTERMINAL
Vendor Part Numbers72PM79-0, 72PMR5MEG-79C
ESD/EMICode B — 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 311-1257-00 available?
We can source 311-1257-00 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 311-1257-00 by Tektronix obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 311-1257-00 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 311-1257-00?
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 311-1257-00?
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.