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N458Y74 — Technical Data Sheet

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— · COMPONENT
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,VARIABLE,WIRE WOUND,NON. Key specifications include operating_mechanism_type: AUTOMATIC, lead_nominal_diameter_size_accommodated: 0.020 INCH IN. This part is cataloged in the Federal Logistics Information System under NSN 7520-00-590-1878, 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
N458Y74
NSN: 7520-00-590-1878
FSC: 7520
CAGE: 1HEN9 — NOBLE SUPPLY & LOGISTICS, LLC (USA)
SPECIFICATIONS
operating_mechanism_typeAUTOMATIC
lead_nominal_diameter_size_accommodated0.020 INCH IN
NSN7520-00-590-1878
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,WIRE WOUND,NON TITLE COMPONENT PN N458Y74 MFR RESISTOR,VARIABLE,WIRE
KEY FEATURES
•
LEAD NOMINAL DIAMETER SIZE ACCOMMODATED: 0.020 INCH IN
•
OPERATING MECHANISM TYPE: AUTOMATIC
TECHNICAL CHARACTERISTICS
LEAD NOMINAL DIAMETER SIZE ACCOMMODATED0.020 INCH IN
OPERATING MECHANISM TYPEAUTOMATIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
P205InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
PC202InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
A-A-2801InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
44131InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
A-A-723InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
A-A-2908InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N458Y74?
N458Y74 is a RESISTOR,VARIABLE,WIRE WOUND,NON.
What parts can replace N458Y74?
There are 17 known substitutes for N458Y74: P205, PC202, A-A-2801 and 14 more. Substitute compatibility should be verified for your specific system.
Is N458Y74 still available?
N458Y74 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026