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U542501 — GUARD,SWITCH

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

U542501: GUARD,SWITCH.

The GUARD,SWITCH is a the manufacturer industrial component. Key specifications include material: STEEL, mounting_method: UNTHREADED HOLE(S), end_item_identification: F-15I, unthreaded_mounting_hole_diameter: 0.254 INCHES MINIMUM AND 0.262 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5930-01-435-0890, 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
U542501
NSN: 5930-01-435-0890
FSC: 5930 — Switches
CAGE: 78943 — TRIUMPH THERMAL SYSTEMS, LLC (USA)
SPECIFICATIONS
materialSTEEL
mounting_methodUNTHREADED HOLE(S)
end_item_identificationF-15I
unthreaded_mounting_hole_diameter0.254 INCHES MINIMUM AND 0.262 INCHES MAXIMUM IN
NSN5930-01-435-0890
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GUARD,SWITCH TITLE COMPONENT PN U542501 MFR GUARD,SWITCH
KEY FEATURES
•
MOUNTING METHOD: UNTHREADED HOLE(S)
•
UNTHREADED MOUNTING HOLE DIAMETER: 0.254 INCHES MINIMUM AND 0.262 INCHES MAXIMUM IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
MOUNTING METHODUNTHREADED HOLE(S)
UNTHREADED MOUNTING HOLE DIAMETER0.254 INCHES MINIMUM AND 0.262 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONF-15I
MATERIALSTEEL
OTHER ITEMS IN FSC 5930 — Switches
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5930-00-000-0117 5930-00-001-1407 5930-00-001-1890 5930-00-001-2571 5930-00-001-2575 5930-00-001-2580 5930-00-001-2608 5930-00-001-2609
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is U542501?
U542501 is a GUARD,SWITCH.
What is the NSN for U542501?
U542501 is cataloged in the U.S. Government catalog under NSN 5930-01-435-0890. 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.