RWR78S1R21FR — Technical Data Sheet

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— · MRO · MRO_GENERAL

WHAT YOU NEED TO KNOW

Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel

Confirm exact part number — similar PNs may be different parts

PRODUCT OVERVIEW

RESISTOR,FIXED,WIRE WOUND,INDUCT. Key specifications include body_length: 1.780 INCHES NOMINAL IN, body_diameter: 0.375 INCHES NOMINAL IN, cubic_measure: 0.196 CUBIC INCHES, terminal_type: WIRE LEAD, inclosure_type: ENCAPSULATED, terminal_length: 1.500 INCHES MINIMUM IN. This part is cataloged in the Federal Logistics Information System under NSN 5905-01-265-7442, 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→ RWR78S1R21FR

NSN: 5905-01-265-7442
FSC: 5905
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

body_length	1.780 INCHES NOMINAL IN
body_diameter	0.375 INCHES NOMINAL IN
cubic_measure	0.196 CUBIC INCHES
terminal_type	WIRE LEAD
inclosure_type	ENCAPSULATED
terminal_length	1.500 INCHES MINIMUM IN
style_designator	AXIAL TERMINAL EACH END
electrical_resistance	1.210 OHMS
reliability_indicator	ESTABLISHED
unpackaged_unit_weight	13.000 GRAMS G
reactance_characteristic	INDUCTIVE
specification/standard_data	81349-MIL-R-39007/7 GOVERNMENT SPECIFICATION
NSN	5905-01-265-7442

COMPONENT DIAGRAM

KEY FEATURES

•

STYLE DESIGNATOR: AXIAL TERMINAL EACH END

•

SPECIFICATION/STANDARD DATA: 81349-MIL-R-39007/7 GOVERNMENT SPECIFICATION

•

ELECTRICAL RESISTANCE: 1.210 OHMS

•

REACTANCE CHARACTERISTIC: INDUCTIVE

•

TERMINAL TYPE: WIRE LEAD

•

RELIABILITY INDICATOR: ESTABLISHED

•

BODY LENGTH: 1.780 INCHES NOMINAL IN

•

TERMINAL LENGTH: 1.500 INCHES MINIMUM IN

TECHNICAL CHARACTERISTICS

STYLE DESIGNATOR	AXIAL TERMINAL EACH END
SPECIFICATION/STANDARD DATA	81349-MIL-R-39007/7 GOVERNMENT SPECIFICATION
ELECTRICAL RESISTANCE	1.210 OHMS
REACTANCE CHARACTERISTIC	INDUCTIVE
TERMINAL TYPE	WIRE LEAD
RELIABILITY INDICATOR	ESTABLISHED
BODY LENGTH	1.780 INCHES NOMINAL IN
TERMINAL LENGTH	1.500 INCHES MINIMUM IN
BODY DIAMETER	0.375 INCHES NOMINAL IN
CUBIC MEASURE	0.196 CUBIC INCHES

VERIFIED SUBSTITUTES & CROSS-REFERENCES 9

7955InterchangeableGOVERNMENT REGISTRY

interchangeable cross-reference

interchangeable

8-800InterchangeableGOVERNMENT REGISTRY

interchangeable cross-reference

interchangeable

7955WInterchangeableGOVERNMENT REGISTRY

interchangeable cross-reference

interchangeable

CW10InterchangeableGOVERNMENT REGISTRY

interchangeable cross-reference

interchangeable

MILR39007InterchangeableGOVERNMENT REGISTRY

Same NIIN cross-reference

interchangeable

0811-3045InterchangeableGOVERNMENT REGISTRY

Same NIIN cross-reference

interchangeable

LIFECYCLE

StatusCANCELLEDGOVERNMENT REGISTRY

Availability—

RoHS CompliantEAR99Not HAZMAT

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FREQUENTLY ASKED QUESTIONS

What is RWR78S1R21FR?

RWR78S1R21FR is a RESISTOR,FIXED,WIRE WOUND,INDUCT. It is classified as a MRO (MRO_GENERAL).

What parts can replace RWR78S1R21FR?

There are 9 known substitutes for RWR78S1R21FR: 7955, 8-800, 7955W and 6 more. Substitute compatibility should be verified for your specific system.

Is RWR78S1R21FR still available?

RWR78S1R21FR is currently cancelled.

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