APEM Components · Electronic Components
U120
SWITCH HARDWARE
Part NumberU120
ManufacturerAPEM Components
AvailabilityAvailable to order — request a quote
Specifications
NSN3110-00-156-5055 (NSN)
Additional NSNs5315-01-588-2453
Federal Item NameBEARING,BALL,ANNULAR
MaterialSTEEL OVERALL
Overall Width14.0 MILLIMETERS NOMINAL
Surface FinishGROUND
Load DirectionANGULAR
Alignment TypeSELF-ALIGNING
Nondefinitive Spec Std Data123 TYPE AND 00 GRADE
Bore ShapeSTRAIGHT
Lubrication Material Document AndMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
Internal Fit Up DesignationSTANDARD
Retainer Fabrication MethodPRESSED
Federal Supply Class3110 — Bearings, Antifriction, Unmounted
Cancelled NSN6530-00-761-0331 (cancelled)
NSN Cancelled Date22-OCT-2024
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 U120 available?
We can source U120 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 U120 by APEM Components obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If U120 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 U120?
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 U120?
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.