Caterpillar · Electronic Components
3H3688
Holder Assembly, Electrical Conta
Part Number3H3688
ManufacturerCaterpillar
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-296-2497 (NSN)
Federal Item NameHOLDER ASSEMBLY,ELECTRICAL CONTA
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Features ProvidedBRUSH PRESSURE SPRING
Brush Pressure Spring Type AccommoHELICAL TORSION
Brush Quantity Accommodated Per Ho1
Holder Position AdjustabilityNONADJUSTABLE
Total Brush Quantity Accommodated4
Holder Quantity Per Assembly4
Brush Spring AdjustabilityADJUSTABLE
Assembly Grouping PositionCIRCLE
Cancelled NSN2920-00-510-5769 (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 3H3688 available?
We can source 3H3688 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 3H3688 by Caterpillar obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3H3688 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 3H3688?
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 3H3688?
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.