RBR56LR4990FM — RESISTOR,FIXED,WIRE WOUND

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

RBR56LR4990FM: RESISTOR,FIXED,WIRE WOUND.

The RESISTOR,FIXED,WIRE WOUND is a the manufacturer industrial component. Key specifications include body_length: 0.344 INCHES NOMINAL IN, body_diameter: 0.250 INCHES NOMINAL IN, terminal_type: WIRE LEAD, inclosure_type: ENCAPSULATED, style_designator: AXIAL TERMINAL EACH END, electrical_resistance: 0.499 OHMS. This part is cataloged in the U.S.

Government catalog under NSN 5905-00-472-0804, 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→ RBR56LR4990FM

NSN: 5905-00-472-0804
FSC: 5905 — Resistor
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

body_length	0.344 INCHES NOMINAL IN
body_diameter	0.250 INCHES NOMINAL IN
terminal_type	WIRE LEAD
inclosure_type	ENCAPSULATED
style_designator	AXIAL TERMINAL EACH END
electrical_resistance	0.499 OHMS
reliability_indicator	ESTABLISHED
resistance_tolerance_in_percent	-1.000 TO 1.000
ambient_temp_at_full_rated_power	125.0 CELSIUS DEGC
power_dissipation_rating_in_watts	0.125 FREE AIR
reliability_failure_rate_level_in_percent	0.010
temp_range_of_temp_coefficient_in_deg_celsius	-65.0 TO 145.0
NSN	5905-00-472-0804

COMPONENT DIAGRAM

KEY FEATURES

•

RESISTANCE TOLERANCE IN PERCENT: -1.000 TO 1.000

•

TEMP COEFFICIENT OF RESISTANCE IN PPM PER DEG CELSIUS: -90.0 TO 90.0

•

BODY DIAMETER: 0.250 INCHES NOMINAL IN

•

ELECTRICAL RESISTANCE: 0.499 OHMS

•

INCLOSURE TYPE: ENCAPSULATED

•

TERMINAL TYPE: WIRE LEAD

•

TEMP RANGE OF TEMP COEFFICIENT IN DEG CELSIUS: -65.0 TO 145.0

•

STYLE DESIGNATOR: AXIAL TERMINAL EACH END

TECHNICAL CHARACTERISTICS

RESISTANCE TOLERANCE IN PERCENT	-1.000 TO 1.000
TEMP COEFFICIENT OF RESISTANCE IN PPM PER DEG CELSIUS	-90.0 TO 90.0
BODY DIAMETER	0.250 INCHES NOMINAL IN
ELECTRICAL RESISTANCE	0.499 OHMS
INCLOSURE TYPE	ENCAPSULATED
TERMINAL TYPE	WIRE LEAD
TEMP RANGE OF TEMP COEFFICIENT IN DEG CELSIUS	-65.0 TO 145.0
STYLE DESIGNATOR	AXIAL TERMINAL EACH END
RELIABILITY FAILURE RATE LEVEL IN PERCENT	0.010
POWER DISSIPATION RATING IN WATTS	0.125 FREE AIR

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 5

MIL-PRF-39005/5Reference document

Same NSN cross-reference

Reference document — Secondary reference

14008Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

14008-LR4990FASame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

RBR56LR4990FRReference document

Same NSN cross-reference

Reference document — Secondary reference

MILR39005-5Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is RBR56LR4990FM?

RBR56LR4990FM is a RESISTOR,FIXED,WIRE WOUND. It is classified as a MRO (MRO_GENERAL).

What parts can replace RBR56LR4990FM?

There are 5 known substitutes for RBR56LR4990FM: MIL-PRF-39005/5, 14008, 14008-LR4990FA and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for RBR56LR4990FM?

RBR56LR4990FM is cataloged in the U.S. Government catalog under NSN 5905-00-472-0804. This indicates validated use in U.S. government and defense supply chains.

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RBR56LR4990FM — RESISTOR,FIXED,WIRE WOUND

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