138-123-1503 — RESISTOR,VARIABLE,NONWIRE WOUND,

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

138-123-1503: RESISTOR,VARIABLE,NONWIRE WOUND,.

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include body_style: RECTANGULAR W/MOUNTING HOLES/SLOTS, body_width: 0.283 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN, body_height: 0.319 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN, body_length: 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN, shaft_style: ROUND, SLOTTED, shaft_length: 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5905-00-922-9745, 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→ 138-123-1503

NSN: 5905-00-922-9745
FSC: 5905 — Resistor
CAGE: 95542 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)

SPECIFICATIONS

body_style	RECTANGULAR W/MOUNTING HOLES/SLOTS
body_width	0.283 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
body_height	0.319 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
body_length	1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
shaft_style	ROUND, SLOTTED
shaft_length	0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
actuator_type	SINGLE SHAFT
cubic_measure	0.125 CUBIC INCHES
shaft_diameter	0.125 INCHES NOMINAL IN
mounting_method	UNTHREADED HOLE(S)
fragility_factor	MODERATELY RUGGED
section_quantity	1
NSN	5905-00-922-9745

COMPONENT DIAGRAM

KEY FEATURES

•

MAXIMUM RUNNING TORQUE: 8.00 INCH-OUNCES IN

•

ELECTRICAL RESISTANCE PER SECTION: 500.0 OHMS SINGLE SECTION

•

AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER: 150.0 SINGLE SECTION

•

SECTION QUANTITY: 1

•

MOUNTING FACILITY QUANTITY: 2

•

SHAFT DIAMETER: 0.125 INCHES NOMINAL IN

•

FRAGILITY FACTOR: MODERATELY RUGGED

•

BODY STYLE: RECTANGULAR W/MOUNTING HOLES/SLOTS

TECHNICAL CHARACTERISTICS

MAXIMUM RUNNING TORQUE	8.00 INCH-OUNCES IN
ELECTRICAL RESISTANCE PER SECTION	500.0 OHMS SINGLE SECTION
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER	150.0 SINGLE SECTION
SECTION QUANTITY	1
MOUNTING FACILITY QUANTITY	2
SHAFT DIAMETER	0.125 INCHES NOMINAL IN
FRAGILITY FACTOR	MODERATELY RUGGED
BODY STYLE	RECTANGULAR W/MOUNTING HOLES/SLOTS
MOUNTING METHOD	UNTHREADED HOLE(S)
BODY WIDTH	0.283 INCHES MINIMUM AND 0.297 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 2

55LR500-263ASame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

479072Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 138-123-1503?

138-123-1503 is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).

What parts can replace 138-123-1503?

There are 2 known substitutes for 138-123-1503: 55LR500-263A, 479072. Substitute compatibility should be verified for your specific system.

What is the NSN for 138-123-1503?

138-123-1503 is cataloged in the U.S. Government catalog under NSN 5905-00-922-9745. This indicates validated use in U.S. government and defense supply chains.

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138-123-1503 — RESISTOR,VARIABLE,NONWIRE WOUND,

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