Halsit Holdings LLC · Electronic Components
1247
Jack, Telephone, Spec
Part Number1247
ManufacturerHalsit Holdings LLC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-407-2291 (NSN)
Federal Item NameJACK,TELEPHONE,SPEC
Federal Supply Class5935 — Connectors, Electrical
ESD/EMICode A — ESD/EMI sensitive item
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Body Length1.295 INCHES NOMINAL
Body Width1.295 INCHES NOMINAL
Body Height1.719 INCHES NOMINAL
Overall Height2.125 INCHES NOMINAL
Distance Between Mounting Facility1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Mounting Facility Quantity2 SINGLE GROUP
Terminal Type And Quantity5 TAB, SOLDER LUG
Nominal Thread Size0.125 INCHES SINGLE GROUP
Thread Quantity Per Inch40 SINGLE GROUP
Slot Width0.125 INCHES NOMINAL
Accommodation Hole Width0.370 INCHES NOMINAL
FlexibilityFLEXIBLE
Style DesignatorREGULAR
Overall Length0.750 INCHES NOMINAL
Vendor Part Numbers836-1247, 1247-HEYCO
Conductor Arrangement And Quantity5 SINGLES
Conductor FormSTRANDED ALL CONDUCTORS
MaterialRUBBER FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
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 1247 available?
We can source 1247 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 1247 by Halsit Holdings LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1247 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 1247?
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 1247?
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.