Raco, A · Electronic Components
773
Cover, Junction Box
Part Number773
ManufacturerRaco, A
AvailabilityAvailable to order — request a quote
Specifications
NSN5975-00-153-6770 (NSN)
Federal Item NameCOVER,JUNCTION BOX
Federal Supply Class5975 — Electrical Hardware and Supplies
Distance From Center Of Mounting H0.813 INCHES NOMINAL
Overall Height0.750 INCHES NOMINAL
Cover TypeRAISED DEVICE
Mounting Hole Diameter0.312 INCHES NOMINAL
Cover Attachment MethodSCREW AND SLOT
Cover Opening Shape And Quantity1 RECTANGULAR
MaterialSTEEL COVER
Overall Length4.000 INCHES NOMINAL
Overall Width4.000 INCHES NOMINAL
First Center To Center Distance Be3.375 INCHES NOMINAL
Surface TreatmentZINC OR CADMIUM COVER
Cancelled NSN5975-00-504-7641 (cancelled)
Largest Width0.188 INCHES SINGLE END
Surface Treatment Document And ClaMIL-T-10727 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSULATION SINGLE LAYER
Width Across Flats0.250 INCHES
Mounting Thread Diameter0.138 INCHES
Slot Depth0.156 INCHES SINGLE END
Electrical Insulation FeatureSTANDOFF INSULATION
Conductor Accommodation TypeBIFURCATED U-FORK SINGLE END
Material Document And ClassificatiMIL-M-14,TY SDG-F MIL SPEC SINGLE MATERIAL RESPONSE INSULATION
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 773 available?
We can source 773 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 773 by Raco, A obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 773 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 773?
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 773?
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.