General Dynamics Mission Systems, Inc. · Electronic Components
309A252
Holder, Electrical Contact Brush
Part Number309A252
ManufacturerGeneral Dynamics Mission Systems, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-284-6321 (NSN)
Federal Item NameHOLDER,ELECTRICAL CONTACT BRUSH
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Inside Thickness0.438 INCHES NOMINAL
Top Thread LocationEXTERNAL
Inside Width0.250 INCHES NOMINAL
Overall Thickness1.562 INCHES NOMINAL
Inside Length1.125 INCHES NOMINAL
Mounting Facility Quantity1
Mounting FacilitySETSCREW
Brush Pressure Spring Type AccommoHELICAL TORSION
Brush Spring AdjustabilityNONADJUSTABLE
Thread Size And Series Type Design0.625-27 UNS
Terminal TypeSOLDER LUG
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 309A252 available?
We can source 309A252 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 309A252 by General Dynamics Mission Systems, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 309A252 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 309A252?
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 309A252?
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.