TE Connectivity · Electronic Components
KN-1251A-1/4
KN1251A1/4=KNOB AL KNURL L/HAI
Part NumberKN-1251A-1/4
ManufacturerTE Connectivity
AvailabilityAvailable to order — request a quote
Specifications
NSN5355-01-150-9527 (NSN)
Federal Item NameKNOB
Nominal Thread Size0.138 INCHES SCREW HOLE
Gripping Surface ConditionGRIP AID
Distance From Hole Center To Knob0.280 INCHES NOMINAL
Shaft Accommodation StyleCOUNTERBORED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SCREW HOLE
Thread Quantity Per Inch32 SCREW HOLE
Overall Thickness0.625 INCHES NOMINAL
Screw Drive TypeHEXAGON SOCKET
Attachment MethodSETSCREWS
Material TransparencyOPAQUE
Federal Supply Class5355 — Knobs And Pointers
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 KN-1251A-1/4 available?
We can source KN-1251A-1/4 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 KN-1251A-1/4 by TE Connectivity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If KN-1251A-1/4 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 KN-1251A-1/4?
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 KN-1251A-1/4?
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.