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Technical Data Sheet
PartsTable / MRO / 203-28
203-28 ✓ Verified by PartsTable
Legrand · MRO · MRO_GENERAL
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

- Protects your iPhone from bending, scratches and other damage<br>- Meshed metal combined with rubber coating for extra strength with a soft touch<br>- Slim design with perfect fit: your iPhone keeps feeling thin<br>- Fully protected back camera<br>- Provides extra grip when holding your iPhone<br>- Full access to camera, buttons, ports etc<br>- Ventilation holes for optimal signal reception and cooling This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-176-9434, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
MRO→ MRO_GENERAL→ 203-28
NSN: 5120-00-176-9434
FSC: 5120
CAGE: 66042 — THOMAS C. WILSON, INC. DBA THOMAS C WILSON (USA)
SPECIFICATIONS
length0.375 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING OVERALL
dial_size2 IN. DIA IN
insert_size3/8-20 NS NS
scale_range+0.0 TO 15.0 POUNDS PRESSURE PER SQUARE INCH LBS
thread_class3B
style_designatorPLAIN
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.250 INCHES IN
end_item_identificationREFRIGERATOR 88715
media_for_which_designedGAS OR LIQUID
thread_quantity_per_inch20
NSN5120-00-176-9434
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Legrand RESISTOR,VARIABLE,WIRE WOUND,PRE TITLE COMPONENT PN 203-28 MFR Legrand RESISTOR,VARIABLE,WIRE
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONTHOMAS C. WILSON NO. 20135 AND 20136 RIGHT ANGLE WORM GEAR DRIVES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
20328Interchangeable
interchangeable cross-reference
interchangeable
HM25020-5Interchangeable
interchangeable cross-reference
interchangeable
HM25020-50Interchangeable
interchangeable cross-reference
interchangeable
6-189Interchangeable
interchangeable cross-reference
interchangeable
6-214Interchangeable
interchangeable cross-reference
interchangeable
167547Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 203-28?
203-28 is a RESISTOR,VARIABLE,WIRE WOUND,PRE manufactured by Legrand. It is classified as a MRO (MRO_GENERAL).
What parts can replace 203-28?
There are 8 known substitutes for 203-28: 20328, HM25020-5, HM25020-50 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 203-28?
203-28 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-176-9434. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026