RS251U — RESISTOR,VARIABLE,NONWIRE WOUND,

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

RS251U: RESISTOR,VARIABLE,NONWIRE WOUND,.

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include body_style: RECTANGULAR W/MOUNTING HOLES/SLOTS, body_width: 0.235 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN, body_height: 0.312 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN, body_length: 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN, shaft_style: ROUND, SLOTTED, shaft_length: 0.046 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5905-00-768-5653, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

MRO→ MRO_GENERAL→ RS251U

NSN: 5905-00-768-5653
FSC: 5905 — Resistor
CAGE: 12697 — CLAROSTAT SENSORS AND CONTROLS (USA)

SPECIFICATIONS

body_style	RECTANGULAR W/MOUNTING HOLES/SLOTS
body_width	0.235 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN
body_height	0.312 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
body_length	1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
shaft_style	ROUND, SLOTTED
shaft_length	0.046 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
actuator_type	SINGLE SHAFT
overall_width	0.235 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN
overall_height	0.516 INCHES NOMINAL IN
overall_length	1.312 INCHES NOMINAL IN
shaft_diameter	0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
mounting_method	UNTHREADED HOLE(S)
NSN	5905-00-768-5653

COMPONENT DIAGRAM

KEY FEATURES

•

ELECTRICAL RESISTANCE PER SECTION: 250.0 OHMS SINGLE SECTION

•

AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER: 120.0 SINGLE SECTION

•

SECTION QUANTITY: 1

•

MOUNTING FACILITY QUANTITY: 2

•

SHAFT DIAMETER: 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN

•

FRAGILITY FACTOR: MODERATELY DELICATE

•

BODY STYLE: RECTANGULAR W/MOUNTING HOLES/SLOTS

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.516 INCHES NOMINAL IN
ELECTRICAL RESISTANCE PER SECTION	250.0 OHMS SINGLE SECTION
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER	120.0 SINGLE SECTION
SECTION QUANTITY	1
MOUNTING FACILITY QUANTITY	2
SHAFT DIAMETER	0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
FRAGILITY FACTOR	MODERATELY DELICATE
BODY STYLE	RECTANGULAR W/MOUNTING HOLES/SLOTS
MOUNTING METHOD	UNTHREADED HOLE(S)
BODY WIDTH	0.235 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN

OTHER ITEMS IN FSC 5905 — Resistor

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5905-00-000-0136 5905-00-000-0488 5905-00-000-8809 5905-00-000-8833 5905-00-000-9526 5905-00-001-1342 5905-00-001-1573 5905-00-001-2059

SUBSTITUTES & CROSS-REFERENCES 1

BA99448K251Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is RS251U?

RS251U is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).

What parts can replace RS251U?

There is 1 known substitute for RS251U: BA99448K251. Substitute compatibility should be verified for your specific system.

What is the NSN for RS251U?

RS251U is cataloged in the U.S. Government catalog under NSN 5905-00-768-5653. This indicates validated use in U.S. government and defense supply chains.

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RS251U — RESISTOR,VARIABLE,NONWIRE WOUND,

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