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W1278A250K-S — RESISTOR,FIXED,COMPOSITION

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

W1278A250K-S: RESISTOR,FIXED,COMPOSITION.

The RESISTOR,FIXED,COMPOSITION is a the manufacturer industrial component. Key specifications include body_height: 1.051 MILLIMETERS MAXIMUM MM, body_diameter: 128.0 MILLIMETERS MAXIMUM MM, electrical_resistance: 25.0 OHMS, precious_material_and_location: OVERALL SILVER, resistance_tolerance_in_percent: -10.0 TO 10.0, part_name_assigned_by_controlling_agency: HIGH ENERGY DISK RESISTOR. This part is cataloged in the U.S.

Government catalog under NSN 5905-01-665-6993, 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→ W1278A250K-S
NSN: 5905-01-665-6993
FSC: 5905 — Resistor
CAGE: 1DFQ0 — HVR ADVANCED POWER COMPONENTS, INC (USA)
SPECIFICATIONS
body_height1.051 MILLIMETERS MAXIMUM MM
body_diameter128.0 MILLIMETERS MAXIMUM MM
electrical_resistance25.0 OHMS
precious_material_and_locationOVERALL SILVER
resistance_tolerance_in_percent-10.0 TO 10.0
part_name_assigned_by_controlling_agencyHIGH ENERGY DISK RESISTOR
NSN5905-01-665-6993
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,FIXED,COMPOSITION TITLE COMPONENT PN W1278A250K-S MFR RESISTOR,FIXED,COMPOSI
KEY FEATURES
•
RESISTANCE TOLERANCE IN PERCENT: -10.0 TO 10.0
•
BODY DIAMETER: 128.0 MILLIMETERS MAXIMUM MM
•
ELECTRICAL RESISTANCE: 25.0 OHMS
•
BODY HEIGHT: 1.051 MILLIMETERS MAXIMUM MM
•
PRECIOUS MATERIAL AND LOCATION: OVERALL SILVER
TECHNICAL CHARACTERISTICS
RESISTANCE TOLERANCE IN PERCENT-10.0 TO 10.0
BODY DIAMETER128.0 MILLIMETERS MAXIMUM MM
ELECTRICAL RESISTANCE25.0 OHMS
BODY HEIGHT1.051 MILLIMETERS MAXIMUM MM
PRECIOUS MATERIAL AND LOCATIONOVERALL SILVER
PART NAME ASSIGNED BY CONTROLLING AGENCYHIGH ENERGY DISK RESISTOR
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

No substitute or cross-reference records for this part.

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 W1278A250K-S?
W1278A250K-S is a RESISTOR,FIXED,COMPOSITION. It is classified as a MRO (MRO_GENERAL).
What is the NSN for W1278A250K-S?
W1278A250K-S is cataloged in the U.S. Government catalog under NSN 5905-01-665-6993. 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.