NAVAIR/NAVSEA Design Activity · Electronic Components
2557873-4
Delay Line — Miscellaneous Electrical Components
Part Number2557873-4
ManufacturerNAVAIR/NAVSEA Design Activity
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-00-938-8615 (NSN)
Federal Item NameDELAY LINE
Federal Supply Class5999 — Miscellaneous Electrical Components
Thread Size And Series Type Design0.138-32 UNIFIED NATIONAL COARSE (UNC)
Operating Temp Range+0.0 TO 60.0 CELSIUS
Body Width3.942 INCHES MAXIMUM
Input Impedance Rating500.000 OHMS
Adjustment Device Quantity1
Output Impedance Rating1.500 KILOHMS
Individual Section Quantity1
Voltage Rating20.000 VOLTS MAXIMUM
Body Length3.255 INCHES MAXIMUM
Adjustment Device Drive TypeSLOTTED SCREW
Delay Time Variation MethodVARIABLE
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 2557873-4 available?
We can source 2557873-4 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 2557873-4 by NAVAIR/NAVSEA Design Activity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2557873-4 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 2557873-4?
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 2557873-4?
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.