Northrop Grumman Corp. Electronic Systems Defensive System Div · Electronic Components
1M138-11
Delay Line — Miscellaneous Electrical Components
Part Number1M138-11
ManufacturerNorthrop Grumman Corp. Electronic Systems Defensive System Div
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-339-5201 (NSN)
Federal Item NameDELAY LINE
Federal Supply Class5999 — Miscellaneous Electrical Components
Pulse Rise Time Rating8.0 NANOSECONDS
Body Depth0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM
Terminal Quantity14
Body Length0.740 INCHES MINIMUM AND 0.780 INCHES MAXIMUM
Voltage Rating25.000 VOLTS NOMINAL
Individual Section Quantity1
Frequency Rating1.000 MEGAHERTZ NOMINAL
Mounting Facility Quantity14
Fragility FactorMODERATELY RUGGED
Segment Quantity Per Section10 SINGLE SECTION
Segment Delay Time4.000 NANOSECONDS NOMINAL SINGLE SECTION ALL SEGMENTS
Vendor Part NumbersSP-817
ESD/EMICode B — 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 1M138-11 available?
We can source 1M138-11 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 1M138-11 by Northrop Grumman Corp. Electronic Systems Defensive System Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1M138-11 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 1M138-11?
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 1M138-11?
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.