Science Applications International Corporation · Electronic Components
21120
Adapter, Insulator
Part Number21120
ManufacturerScience Applications International Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-01-304-3202 (NSN)
Federal Item NameADAPTER,INSULATOR
Federal Supply Class5970 — Electrical Insulators
General Characteristics Item DescrSILICON ALLOY; CONTAINS ONE HEX NUT,ONE FLAT WASHER,ONE LOCK WASHER,ONE HEX HEAD BOLT,TWO HOUSING,SIX SKT. HD. SCREW; ON
Color Coding Document976283-49956 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER
Voltage Rating600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS
Temp Rating79.0 CELSIUS
Strand Awg Size Per Conductor36 ALL CONDUCTORS
Conductor Arrangement And Quantity10 TWISTED PAIR
Material Document And ClassificatiASTM B33 ASSN STD ALL MATERIAL RESPONSES CORE CONDUCTOR ALL CONDUCTORS
MaterialPLASTIC POLYHEXAMETHYLENE ADIPAMIDE FIRST POSITION JACKET CABLE
ColorWHITE FIRST POSITION JACKET CABLE
Strand Quantity Per Conductor19 ALL CONDUCTORS
Surface Treatment Document And ClaASTM B33-63 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR ALL CONDUCTORS
Surface TreatmentTIN CORE CONDUCTOR ALL CONDUCTORS
Vendor Part Numbers976283-1
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 21120 available?
We can source 21120 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 21120 by Science Applications International Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21120 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 21120?
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 21120?
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.