Ontic Engineering & Manufacturing, Inc. · Electronic Components
33091-A
Holder, Electrical Contact Brush
Part Number33091-A
ManufacturerOntic Engineering & Manufacturing, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-548-5266 (NSN)
Federal Item NameHOLDER,ELECTRICAL CONTACT BRUSH
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Inside Width0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
Overall Length0.797 INCHES NOMINAL
Brush Quantity Accommodated Per Ho1
Inside Thickness0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
Top Thread LocationEXTERNAL
Thread Size And Series Type Design0.375-32 UNEF
Mounting FacilityPRESS FIT
Inside Length0.797 INCHES NOMINAL
Overall Diameter0.498 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
MaterialCOPPER ALLOY BOX
Mounting Facility Quantity1
Cancelled NSN2915-00-876-8782 (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 33091-A available?
We can source 33091-A 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 33091-A by Ontic Engineering & Manufacturing, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 33091-A 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 33091-A?
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 33091-A?
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.