Naval Sea Systems Command · Electronic Components
6853511 ITEM NO. 16
Base, Mast — Antennas and Waveguides
Part Number6853511 ITEM NO. 16
ManufacturerNaval Sea Systems Command
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-487-3197 (NSN)
Federal Item NameBASE,MAST
Federal Supply Class5985 — Antennas and Waveguides
Mounting Facility Quantity12
Basic Shape StyleCYLINDRICAL
MaterialSTEEL COMP 304
Thread Size And Series Type Design5/8-11 UNIFIED NATIONAL COARSE (UNC)
Mounting MethodUNTHREADED HOLE(S) AND THREADED HOLE(S)
Overall Diameter7.250 INCHES NOMINAL
Mounting Hole TypePLAIN
Mounting Facility Circle Radius5.750 INCHES NOMINAL
Mounting Hole Diameter0.660 INCHES NOMINAL
Thread Class3B
Overall Length6.000 INCHES NOMINAL
Vendor Part Numbers7287639-1
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 6853511 ITEM NO. 16 available?
We can source 6853511 ITEM NO. 16 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 6853511 ITEM NO. 16 by Naval Sea Systems Command obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 6853511 ITEM NO. 16 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 6853511 ITEM NO. 16?
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 6853511 ITEM NO. 16?
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.