Keystone Electronics · Electronic Components
490
HANDLE BRASS 10/32THR .312"DIA
Part Number490
ManufacturerKeystone Electronics
AvailabilityAvailable to order — request a quote
Specifications
NSN5975-00-113-5257 (NSN)
Federal Item NameCOVER,CONDUIT OUTLET
Federal Supply Class5975 — Electrical Hardware and Supplies
Overall Length5.875 INCHES NOMINAL
Functional Cover StyleBLANK
MaterialALUMINUM OVERALL
Hazardous Locations EnvironmentalNOT RATED
Style DesignatorOBLONG
Trade DesignationLB SERIES MARK 9
Cover Mounting Gasket TypeOPEN CENTER
Overall Width1.250 INCHES NOMINAL
Mounting MethodSELF-RETAINING FASTENER COVER
Cover Mounting Surface TypeFLAT
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 490 available?
We can source 490 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 490 by Keystone Electronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 490 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 490?
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 490?
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.