Kearfott · Electronic Components
B305001257
Backshell, Electrical Connector
Part NumberB305001257
ManufacturerKearfott
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-251-7646 (NSN)
Federal Item NameBACKSHELL,ELECTRICAL CONNECTOR
Federal Supply Class5935 — Connectors, Electrical
Thread DirectionRIGHT-HAND
Overall Length2.531 INCHES NOMINAL
Cable Opening Diameter0.344 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
Overall Height1.531 INCHES NOMINAL
Size Designation24
Seal TypePREFORMED PACKING
Nominal Thread Size1.438 INCHES
Mounting Facility Type And Quantit1 THREADED COUPLING
Overall Width1.188 INCHES MAXIMUM
Nominal Thread Length0.219 INCHES
Cable Opening Quantity1
Vendor Part NumbersS357-248A1-5A2, 5721-24081-06001
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 B305001257 available?
We can source B305001257 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 B305001257 by Kearfott obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B305001257 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 B305001257?
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 B305001257?
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.