Keystone Electronics · Electronic Components
1948
STANDOFF M/F HEX 4-40 1.25"L BRS
Part Number1948
ManufacturerKeystone Electronics
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-045-0669 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Mounting Facility Type And Quantit7 TERMINAL ALL FUNCTIONS
Specified Frequencies Of Discrimin11.90 MEGAHERTZ BLANK AND 11.985 MEGAHERTZ BLANK AND 12.015 MEGAHERTZ BLANK AND 12.10 MEGAHERTZ BLANK ALL FUNCTIONS
Functional Terminal Type And Quant5 PIN GROUND THIRD FUNCTION
Principal Circuitry Type Per FunctCRYSTAL BLANK ALL FUNCTIONS
Style DesignatorRECTANGULAR TERMINAL/TERMINALS ON ONE SURFACE
Discrimination At Specified Freque70.0 MINIMUM BLANK AND 3.0 MAXIMUM BLANK ALL FUNCTIONS
Source Impedance Rating Per Functi50.0 OHMS BLANK ALL FUNCTIONS
Body Width0.685 INCHES MAXIMUM
Overall Height0.475 INCHES NOMINAL
Load Impedance Per Function50.0 OHMS BLANK ALL FUNCTIONS
Features ProvidedSHOCK RESISTANT
Vendor Part Numbers328987-1
ESD/EMICode A — ESD/EMI sensitive item
Cancelled NSN6105-01-131-7289 (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 1948 available?
We can source 1948 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 1948 by Keystone Electronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1948 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 1948?
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 1948?
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.