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WL57-291 — RESISTOR,FIXED,WIRE WOUND

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

WL57-291: RESISTOR,FIXED,WIRE WOUND.

The RESISTOR,FIXED,WIRE WOUND is a the manufacturer industrial component. Key specifications include body_width: 3.375 INCHES NOMINAL IN, body_height: 0.438 INCHES NOMINAL IN, body_length: 7.750 INCHES NOMINAL IN, terminal_type: TAB W/SCREW, inclosure_type: ENCASED, style_designator: TERMINALS ONE SIDE. This part is cataloged in the U.S.

Government catalog under NSN 5905-00-259-3089, 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→ WL57-291
NSN: 5905-00-259-3089
FSC: 5905 — Resistor
CAGE: 63743 — WARD LEONARD CT LLC (USA)
SPECIFICATIONS
body_width3.375 INCHES NOMINAL IN
body_height0.438 INCHES NOMINAL IN
body_length7.750 INCHES NOMINAL IN
terminal_typeTAB W/SCREW
inclosure_typeENCASED
style_designatorTERMINALS ONE SIDE
mounting_hole_size0.438 INCHES NOMINAL IN
electrical_resistance7.300 OHMS
reliability_indicatorNOT ESTABLISHED
reactance_characteristicNONINDUCTIVE
nondefinitive_spec/std_dataIW FORM
resistance_tolerance_in_percent-10.000 TO 10.000
NSN5905-00-259-3089
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,FIXED,WIRE WOUND TITLE COMPONENT PN WL57-291 MFR RESISTOR,FIXED,WIRE WO
KEY FEATURES
•
RESISTANCE TOLERANCE IN PERCENT: -10.000 TO 10.000
•
ELECTRICAL RESISTANCE: 7.300 OHMS
•
INCLOSURE TYPE: ENCASED
•
MOUNTING HOLE SIZE: 0.438 INCHES NOMINAL IN
•
TERMINAL TYPE: TAB W/SCREW
•
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH: 6.875 INCHES NOMINAL IN
•
BODY WIDTH: 3.375 INCHES NOMINAL IN
•
BODY HEIGHT: 0.438 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
RESISTANCE TOLERANCE IN PERCENT-10.000 TO 10.000
ELECTRICAL RESISTANCE7.300 OHMS
INCLOSURE TYPEENCASED
MOUNTING HOLE SIZE0.438 INCHES NOMINAL IN
TERMINAL TYPETAB W/SCREW
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH6.875 INCHES NOMINAL IN
BODY WIDTH3.375 INCHES NOMINAL IN
BODY HEIGHT0.438 INCHES NOMINAL IN
REACTANCE CHARACTERISTICNONINDUCTIVE
STYLE DESIGNATORTERMINALS ONE SIDE
SUBSTITUTES & CROSS-REFERENCES 3
MILR15109Reference document
Same NSN cross-reference
Reference document — Secondary reference
MIL-DTL-15109Reference document
Same NSN cross-reference
Reference document — Identification reference
57-291Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is WL57-291?
WL57-291 is a RESISTOR,FIXED,WIRE WOUND. It is classified as a MRO (MRO_GENERAL).
What parts can replace WL57-291?
There are 3 known substitutes for WL57-291: MILR15109, MIL-DTL-15109, 57-291. Substitute compatibility should be verified for your specific system.
What is the NSN for WL57-291?
WL57-291 is cataloged in the U.S. Government catalog under NSN 5905-00-259-3089. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.