Keystone Electronics · Electronic Components
171
HOLDER BATTERY 3CELL AA ALUM
Part Number171
ManufacturerKeystone Electronics
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-187-2886 (NSN)
Federal Item NameTRANSFORMER,POWER AUTOTRANSFORME
Federal Supply Class5950 — Coils and Transformers
Terminal Type And Quantity4 TAB, SOLDER LUG
Winding Power Rating0.21 KILOVOLT-AMPERES SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting MethodTERMINAL SINGLE GROUP
Adjustment Method And Quantity1 ADJUSTABLE CONTROL SINGLE COMPONENT
Body Outside Diameter3.281 INCHES NOMINAL
Frequency Rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Voltage120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT
Inclosure TypeOPEN
Adjustment Device Drive TypeSHAFT SINGLE COMPONENT
Winding Function And Quantity1 PRIMARY, VARIABLE AUTOTRANSFORMER TYPE SINGLE COMPONENT
Unthreaded Mounting Hole Diameter0.190 INCHES NOMINAL
Overall Length3.109 INCHES MINIMUM AND 3.141 INCHES MAXIMUM
Output Impedance Per Function W So10.0 KILOHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
Discrimination At Specified Freque2.0 NOMINAL BLANK AND 30.0 MINIMUM BLANK AND 15.0 MINIMUM BLANK FIRST FUNCTION
Input Impedance Per Function W Loa10.0 KILOHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
Insertion Loss At Reference Freque0.0 BLANK LOCATION NOT OTHERWISE SPECIFIED
Style DesignatorRECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES
Body Length2.244 INCHES MINIMUM AND 2.266 INCHES MAXIMUM
Distance Between Centerlines Of Mo2.734 INCHES MINIMUM AND 2.766 INCHES MAXIMUM
Functional Terminal Type And Quant1 SOLDER STUD INPUT FIRST FUNCTION
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 171 available?
We can source 171 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 171 by Keystone Electronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 171 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 171?
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 171?
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.