Boeing · Electronic Components
ST5M1557-012
Contact, Electrical
Part NumberST5M1557-012
ManufacturerBoeing
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-148-7127 (NSN)
Federal Item NameCONTACT,ELECTRICAL
Federal Supply Class5999 — Miscellaneous Electrical Components
Mounting MethodFORCE FIT
Material Document And ClassificatiQQ-C-530 FED SPEC SINGLE MATERIAL RESPONSE BODY AND CONTACT
Terminal Type And Quantity1 PIN END OPPOSITE CONTACT
Precious Material And LocationBODY AND CONTACT SURFACES GOLD
MaterialRUBBER SILICONE CONTACT INSULATION
Style DesignatorPIN CENTER CONTACT
Surface Treatment Document And ClaMIL-G-45204 MIL SPEC SINGLE TREATMENT RESPONSE BODY AND CONTACT
Precious MaterialGOLD
Surface TreatmentGOLD BODY AND CONTACT
Overall Length1.235 INCHES NOMINAL
Precious Material And Weight0.005 GOLD GRAINS, TROY
Vendor Part Numbers225791-8
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 ST5M1557-012 available?
We can source ST5M1557-012 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 ST5M1557-012 by Boeing obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ST5M1557-012 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 ST5M1557-012?
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 ST5M1557-012?
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.