Ontic Engineering & Manufacturing, Inc. · Electronic Components
1533633
Holder, Electrical Contact Brush
Part Number1533633
ManufacturerOntic Engineering & Manufacturing, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-451-6251 (NSN)
Federal Item NameHOLDER,ELECTRICAL CONTACT BRUSH
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Overall Length1.250 INCHES NOMINAL
Top Thread LocationEXTERNAL
Thread Size And Series Type Design0.562-27 UNS
Style DesignatorROUND BEVELED
Brush Quantity Accommodated Per Ho1
Inside Thickness0.188 INCHES MINIMUM AND 0.191 INCHES MAXIMUM
Mounting FacilityPRESS FIT
Inside Length1.250 INCHES NOMINAL
Inside Width0.376 INCHES MINIMUM AND 0.379 INCHES MAXIMUM
Overall Diameter0.747 INCHES MINIMUM AND 0.749 INCHES MAXIMUM
Mounting Facility Quantity1
Cancelled NSN5977-01-011-5333 (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 1533633 available?
We can source 1533633 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 1533633 by Ontic Engineering & Manufacturing, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1533633 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 1533633?
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 1533633?
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.