Alliant Techsystems Operations · Electronic Components
2603949
Resistor, Variable, Wire Wound, Pre
Part Number2603949
ManufacturerAlliant Techsystems Operations
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-877-9774 (NSN)
Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,PRE
Federal Supply Class5905 — Resistors
Shaft Length0.812 INCHES NOMINAL
Overall Length2.269 INCHES NOMINAL
Overall Diameter1.250 INCHES NOMINAL
Electrical Resistance Per Section20.0 KILOHMS SINGLE SECTION
Ambient Temp In Deg Celsius Per Se85.0 SINGLE SECTION
Effective Electrical Rotation In D1800.0 NOMINAL
Shaft End Play0.0085 INCHES
Shaft Radial Play0.003 INCHES
Pilot Diameter Runout0.001 INCHES
Maximum Running Torque0.60 INCH-OUNCES
Screw Thread Diameter0.375 INCHES NOMINAL
Vendor Part Numbers7216-633-1
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 2603949 available?
We can source 2603949 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 2603949 by Alliant Techsystems Operations obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2603949 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 2603949?
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 2603949?
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.