Lockheed Martin · Electronic Components
257A535-4
Adapter, Connector
Part Number257A535-4
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-524-9116 (NSN)
Federal Item NameADAPTER,CONNECTOR
Federal Supply Class5935 — Connectors, Electrical
Included Contact Quantity1 ALL MATING ENDS ALL CONTACT GROUPINGS
Mating End Quantity1
Overall Length2.000 INCHES NOMINAL
Overall Diameter1.700 INCHES NOMINAL
Body StyleSTRAIGHT SHAPE, INTERNAL COUPLING
Vendor Part Numbers440HS039NF2507-3
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 257A535-4 available?
We can source 257A535-4 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 257A535-4 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 257A535-4 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 257A535-4?
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 257A535-4?
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.