Us Army Aviation And Missile Command · Electronic Components
8109556
Holder, Electrical Contact Brush
Part Number8109556
ManufacturerUs Army Aviation And Missile Command
AvailabilityAvailable to order — request a quote
Specifications
NSN5977-00-322-8656 (NSN)
Federal Item NameHOLDER,ELECTRICAL CONTACT BRUSH
Federal Supply Class5977 — Electrical Contact Brushes and Electrodes
Brush Quantity Accommodated Per Ho4
Overall Thickness4.125 INCHES NOMINAL
Mounting FacilityUNTHREADED HOLES
Brush Pressure Spring Type AccommoSPIRAL TORSION
Inside Thickness0.375 INCHES NOMINAL
Brush Spring AdjustabilityNONADJUSTABLE
Inside Width0.500 INCHES NOMINAL
Overall Width1.375 INCHES NOMINAL
Inside Length1.000 INCHES NOMINAL
Mounting Facility Quantity1
Overall Length1.969 INCHES NOMINAL
Vendor Part Numbers2220
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 8109556 available?
We can source 8109556 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 8109556 by Us Army Aviation And Missile Command obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 8109556 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 8109556?
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 8109556?
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.