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190201 — SEMICONDUCTOR DEVICE,DIODE

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

190201: SEMICONDUCTOR DEVICE,DIODE.

The SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include phase: THREE, material: SILICON SEMICONDUCTOR, nut_height: 0.313 INCHES NOMINAL IN, coolant_type: FREON-22, current_type: AC, power_source: ELECTRIC MOTOR. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-050-3342, 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→ 190201
NSN: 5310-00-050-3342
NIINs: 000503342, 004373244, 009475173, 009903047, 009956577, 013586584, 013730210
FSC: 5310 — Nuts and Washers
CAGE: 12204 — CHRYSLER REALTY COMPANY LLC DBA DAIMLER CHRYSLER (USA)
SPECIFICATIONS
phaseTHREE
materialSILICON SEMICONDUCTOR
nut_height0.313 INCHES NOMINAL IN
coolant_typeFREON-22
current_typeAC
power_sourceELECTRIC MOTOR
thread_class3B
usage_designCOMPRESSOR,FAN
thread_seriesUNF
overall_length1.650 INCHES MINIMUM IN
voltage_rating440.0 VOLTS NOMINAL
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
NSN5310-00-050-3342
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 190201 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
WIDTH ACROSS FLATS: 0.438 INCHES NOMINAL IN
•
THREAD SERIES: UNF
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-611-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
•
NUT HEIGHT: 0.313 INCHES NOMINAL IN
•
THREAD CLASS: 3B
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.438 INCHES NOMINAL IN
THREAD SERIESUNF
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-611-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
NUT HEIGHT0.313 INCHES NOMINAL IN
THREAD CLASS3B
THREAD QUANTITY PER INCH28
MATERIALCOPPER ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
BBSX4MReference document
Same NSN cross-reference
Reference document — Secondary reference
503342Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 190201?
190201 is a SEMICONDUCTOR DEVICE,DIODE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 190201?
There are 2 known substitutes for 190201: BBSX4M, 503342. Substitute compatibility should be verified for your specific system.
What is the NSN for 190201?
190201 is cataloged in the U.S. Government catalog under NSN 5310-00-050-3342. 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.