Textron Systems · Electronic Components
57977-49966
Resistor Assembly
Part Number57977-49966
ManufacturerTextron Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-245-8370 (NSN)
Federal Item NameRESISTOR ASSEMBLY
Federal Supply Class5905 — Resistors
Overall Length5.000 INCHES NOMINAL
Thickness0.083 INCHES NOMINAL
Component Quantity7
Overall Height1.000 INCHES NOMINAL
Overall Width2.000 INCHES NOMINAL
Length5.000 INCHES NOMINAL
Assembly Construction MethodMOUNTED ON PRINTED CIRCUIT BOARD
Mounting ConfigurationFOUR UNTHREADED MTG HOLES
Width2.000 INCHES NOMINAL
Component RelationshipNOT MATCHED
Mounting MethodTHROUGH HOLE
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 57977-49966 available?
We can source 57977-49966 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 57977-49966 by Textron Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 57977-49966 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 57977-49966?
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 57977-49966?
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.