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ST-20668-2 — RESISTOR,THERMAL

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

ST-20668-2: RESISTOR,THERMAL.

The RESISTOR,THERMAL is a the manufacturer industrial component. Key specifications include body_length: 1.250 INCHES NOMINAL IN, probe_length: 3.000 INCHES NOMINAL IN, inclosure_type: ENCASED, probe_diameter: 0.540 INCHES NOMINAL IN, terminal_length: 6.000 INCHES MINIMUM IN, style_designator: PROBE. This part is cataloged in the U.S.

Government catalog under NSN 5905-01-175-5145, 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→ ST-20668-2
NSN: 5905-01-175-5145
FSC: 5905 — Resistor
CAGE: 05CK7 — WINTEC LLC (USA)
SPECIFICATIONS
body_length1.250 INCHES NOMINAL IN
probe_length3.000 INCHES NOMINAL IN
inclosure_typeENCASED
probe_diameter0.540 INCHES NOMINAL IN
terminal_length6.000 INCHES MINIMUM IN
style_designatorPROBE
precious_materialSILVER
width_across_flats0.937 INCHES NOMINAL IN
terminal_type_and_quantity2 WIRE LEAD
precious_material_and_weight0.040 SILVER GRAINS, TROY
precious_material_and_locationCONTACT POINTS SILVER
ambient_temp_at_full_rated_power300.0 FAHRENHEIT DEGF
NSN5905-01-175-5145
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,THERMAL TITLE COMPONENT PN ST-20668-2 MFR RESISTOR,THERMAL
KEY FEATURES
•
WIDTH ACROSS FLATS: 0.937 INCHES NOMINAL IN
•
INCLOSURE TYPE: ENCASED
•
PROBE DIAMETER: 0.540 INCHES NOMINAL IN
•
PRECIOUS MATERIAL: SILVER
•
TERMINAL LENGTH: 6.000 INCHES MINIMUM IN
•
STYLE DESIGNATOR: PROBE
•
PRECIOUS MATERIAL AND WEIGHT: 0.040 SILVER GRAINS, TROY
•
PROBE LENGTH: 3.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.937 INCHES NOMINAL IN
INCLOSURE TYPEENCASED
PROBE DIAMETER0.540 INCHES NOMINAL IN
PRECIOUS MATERIALSILVER
TERMINAL LENGTH6.000 INCHES MINIMUM IN
STYLE DESIGNATORPROBE
PRECIOUS MATERIAL AND WEIGHT0.040 SILVER GRAINS, TROY
PROBE LENGTH3.000 INCHES NOMINAL IN
AMBIENT TEMP AT FULL RATED POWER300.0 FAHRENHEIT DEGF
BODY LENGTH1.250 INCHES NOMINAL 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST-20668-2?
ST-20668-2 is a RESISTOR,THERMAL. It is classified as a MRO (MRO_GENERAL).
What is the NSN for ST-20668-2?
ST-20668-2 is cataloged in the U.S. Government catalog under NSN 5905-01-175-5145. 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.