Honeywell · Electronic Components
8509778-1
Contact, Electrical
Part Number8509778-1
ManufacturerHoneywell
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-331-3198 (NSN)
Federal Item NameCONTACT,ELECTRICAL
Federal Supply Class5999 — Miscellaneous Electrical Components
Mounting MethodTERMINAL
Surface Treatment Document And ClaMIL-G-45204 MIL SPEC 1ST TREATMENT RESPONSE AND QQ-N-290 FED SPEC 2ND TREATMENT RESPONSE BODY AND CONTACT
MaterialCOPPER ALLOY BODY AND CONTACT
Precious Material And Weight0.005 GOLD GRAINS, TROY
Overall Diameter0.313 INCHES MINIMUM AND 0.316 INCHES MAXIMUM
Precious Material And LocationBODY AND CONTACT SURFACES GOLD
Surface TreatmentGOLD AND NICKEL BODY AND CONTACT
Precious MaterialGOLD
Style DesignatorCYLINDRICAL SHAPE
Material Document And ClassificatiMIL-C-39029 MIL SPEC SINGLE MATERIAL RESPONSE BODY AND CONTACT
Overall Length1.333 INCHES NOMINAL
Vendor Part Numbers21-33841-15, 310-08T0-547
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 8509778-1 available?
We can source 8509778-1 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 8509778-1 by Honeywell obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 8509778-1 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 8509778-1?
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 8509778-1?
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.