Us Army Aviation And Missile Command · Electronic Components
8520551
Contact, Electrical
Part Number8520551
ManufacturerUs Army Aviation And Missile Command
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-00-535-7498 (NSN)
Federal Item NameCONTACT,ELECTRICAL
Federal Supply Class5999 — Miscellaneous Electrical Components
Surface Treatment Document And ClaMIL-STD-171,FIN. 1.8.1 MIL STD SINGLE TREATMENT RESPONSE BODY AND CONTACT
Style DesignatorIRREGULAR SHAPE
Surface TreatmentTIN BODY AND CONTACT
MaterialCOPPER ALLOY BODY AND CONTACT
Overall Length2.062 INCHES NOMINAL
Unthreaded Mounting Hole Diameter0.159 INCHES MINIMUM AND 0.173 INCHES MAXIMUM
Material Document And ClassificatiQQ-C-533,1/2H FED SPEC SINGLE MATERIAL RESPONSE BODY AND CONTACT
Mounting Facility Quantity4
Overall Width0.470 INCHES NOMINAL
Mounting MethodUNTHREADED HOLE(S)
Distance Between Mounting Facility0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM
Vendor Part NumbersDM-330
ESD/EMICode A — ESD/EMI sensitive item
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 8520551 available?
We can source 8520551 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 8520551 by Us Army Aviation And Missile Command obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 8520551 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 8520551?
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 8520551?
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.