Lockheed Martin · Electronic Components
12A15257-53
Waveguide Assembly
Part Number12A15257-53
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-612-7887 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Style DesignatorSTRAIGHT TYPE
Flange Outside Width1.297 INCHES MINIMUM AND 1.327 INCHES MAXIMUM ALL FLANGES
Nominal Thread Size0.138 INCHES ALL FLANGES SINGLE CONNECTION FACILITY
FSC Application DataADAPTER SET,TEST,SPECIALLY DESIGNED,ACFT
Thread Quantity Per Inch32 ALL FLANGES SINGLE CONNECTION FACILITY
Flange Inside Width0.620 INCHES MINIMUM AND 0.624 INCHES MAXIMUM ALL FLANGES
Flange Outside Height1.297 INCHES MINIMUM AND 1.327 INCHES MAXIMUM ALL FLANGES
MaterialCOPPER ALLOY ALL FLANGE
Flange Inside Height0.309 INCHES MINIMUM AND 0.313 INCHES MAXIMUM ALL FLANGES
Flange Depth0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM ALL FLANGES
Flange StyleCHOKE TYPE ALL FLANGES
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 12A15257-53 available?
We can source 12A15257-53 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 12A15257-53 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 12A15257-53 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 12A15257-53?
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 12A15257-53?
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.