744221-38 — RESISTOR,FIXED,WIRE WOUND

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

744221-38: RESISTOR,FIXED,WIRE WOUND.

The RESISTOR,FIXED,WIRE WOUND is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY HEAT SINK, body_width: 2.156 INCHES MAXIMUM IN, body_height: 2.219 INCHES MAXIMUM IN, body_length: 4.531 INCHES MAXIMUM IN, terminal_type: THREADED STUD, inclosure_type: ENCAPSULATED. This part is cataloged in the U.S.

Government catalog under NSN 5905-01-186-0029, 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→ 744221-38

NSN: 5905-01-186-0029
FSC: 5905 — Resistor
CAGE: 35351 — GE AVIATION SYSTEMS LLC (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY HEAT SINK
body_width	2.156 INCHES MAXIMUM IN
body_height	2.219 INCHES MAXIMUM IN
body_length	4.531 INCHES MAXIMUM IN
terminal_type	THREADED STUD
inclosure_type	ENCAPSULATED
heat_sink_width	12.000 INCHES IN
terminal_length	1.281 INCHES MAXIMUM IN
heat_sink_length	12.000 INCHES IN
style_designator	AXIAL TERMINAL (S)
mounting_hole_size	0.198 INCHES MAXIMUM IN
heat_sink_thickness	0.125 INCHES IN
NSN	5905-01-186-0029

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

•

ELECTRICAL RESISTANCE: 0.0845 OHMS

•

INCLOSURE TYPE: ENCAPSULATED

•

MOUNTING HOLE SIZE: 0.198 INCHES MAXIMUM IN

•

TERMINAL TYPE: THREADED STUD

•

DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH: 3.010 INCHES MAXIMUM IN

•

HEAT SINK THICKNESS: 0.125 INCHES IN

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
ELECTRICAL RESISTANCE	0.0845 OHMS
INCLOSURE TYPE	ENCAPSULATED
MOUNTING HOLE SIZE	0.198 INCHES MAXIMUM IN
TERMINAL TYPE	THREADED STUD
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH	3.010 INCHES MAXIMUM IN
HEAT SINK THICKNESS	0.125 INCHES IN
TERMINAL LENGTH	1.281 INCHES MAXIMUM IN
BODY WIDTH	2.156 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

RH-250-250W.0845Reference document

Same NSN cross-reference

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

RH250X000ER0845FSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 744221-38?

744221-38 is a RESISTOR,FIXED,WIRE WOUND. It is classified as a MRO (MRO_GENERAL).

What parts can replace 744221-38?

There are 2 known substitutes for 744221-38: RH-250-250W.0845, RH250X000ER0845F. Substitute compatibility should be verified for your specific system.

What is the NSN for 744221-38?

744221-38 is cataloged in the U.S. Government catalog under NSN 5905-01-186-0029. This indicates validated use in U.S. government and defense supply chains.

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744221-38 — RESISTOR,FIXED,WIRE WOUND

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