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Simpson  · Electronic Components

1270

57MD--- 0-300 ACA 3.5 UL RECT

Part Number1270
ManufacturerSimpson
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameADAPTER,CONNECTOR
Federal Supply Class5935 — Connectors, Electrical
Connector Locking MethodBAYONET SLOT AND SPRING FRICTION
Body StyleSTRAIGHT SHAPE
Included Contact TypeBANANA SECOND MATING END SINGLE CONTACT GROUPING
Contact MaterialCOPPER ALLOY ALL MATING ENDS SINGLE CONTACT GROUPING
Overall Width0.950 INCHES NOMINAL
Shell TypeSOLID
Precious Material And Weight0.005 GOLD GRAINS, TROY
Contact Position Arrangement StyleBNC FIRST MATING END
Included Contact Quantity1 FIRST MATING END SINGLE CONTACT GROUPING
Operating Temp Rating50.0 CELSIUS MAXIMUM
Precious MaterialGOLD
Vendor Part Numbers7909400, 261, AT100
Cancelled NSN5935-00-065-3031 (cancelled)
ESD/EMICode A — ESD/EMI sensitive item
Joint Electronics Type DesignationMODEL 1270
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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

Frequently asked

Is 1270 available?
We can source 1270 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 1270 by Simpson obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1270 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 1270?
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 1270?
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.