Lockheed Martin Corporation · Electronic Components
67-557
Amplifier, Electronic Control
Part Number67-557
ManufacturerLockheed Martin Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5996-00-552-9902 (NSN)
Federal Item NameAMPLIFIER,ELECTRONIC CONTROL
Federal Supply Class5996 — Amplifiers
Overall Height1.156 INCHES NOMINAL
Circuit Construction TypeSOLID STATE
Average Power Rating Per Channel1.0 MILLIWATTS INPUT
Basic Shape StyleRECTANGULAR OR SQUARE
Inclosure TypeOPEN
Operating Control MethodAUTOMATIC
Installation DesignRACK
Impedance Rating Per Channel400.000 KILOHMS INPUT CHANNEL AND 50.000 KILOHMS OUTPUT CHANNEL
External Dc Operating Voltage In V30.0 NOMINAL SINGLE VOLTAGE
Overall Width4.656 INCHES NOMINAL
Overall Length6.312 INCHES NOMINAL
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 67-557 available?
We can source 67-557 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 67-557 by Lockheed Martin Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 67-557 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 67-557?
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 67-557?
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.