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Technical Data Sheet
PartsTable / COMPONENT / 20-143
20-143 ✓ Verified by PartsTable
Exost · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

<b>Universal USB charger to charge your iPhone or smartphone at home or office</b><br>- For use with any smartphone, iPhone or iPod<br>- Flat and lightweight design with soft rubber coating<br>- Uses USB charge cable supplied with your phone<br>- Overload and short circuit protection<br>- Works on 100-240V, ideal for travel This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-115-6250, 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
20-143
NSN: 5305-00-115-6250
FSC: 5305
CAGE: 94990 — MOTOROLA INC. DBA INTEGRATED INFORMATION SYSTEMS GROUP (USA)
SPECIFICATIONS
materialSTEEL
head_styleHEXAGON EXTENDED WASHER
head_height0.160 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
thread_class2A A
overall_width18.500 INCHES NOMINAL IN
thread_length0.735 INCHES MINIMUM AND 0.795 INCHES MAXIMUM IN
overall_length15.695 INCHES MINIMUM AND 15.705 INCHES MAXIMUM IN
fastener_length3.110 INCHES MINIMUM AND 3.140 INCHES MAXIMUM IN
overall_diameter2.975 INCHES MINIMUM AND 2.980 INCHES MAXIMUM IN
special_featuresBRGS-INCL.;BRG TYPE-NEEDLE;BRG SHAPE-CYLINDERICAL;BRG QTY-4;MTG PROVISION-MTG EARS
thread_directionRIGHT-HAND
overall_thickness5.100 INCHES NOMINAL IN
NSN5305-00-115-6250
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 20-143 · Exost ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FIRST DIAMETER FROM HEAD: 0.166 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
•
INTERNAL DRIVE STYLE: SLOT
•
EXTENDED WASHER THICKNESS: 0.015 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN
•
FASTENER LENGTH: 3.110 INCHES MINIMUM AND 3.140 INCHES MAXIMUM IN
•
EXTENDED WASHER DIAMETER: 0.390 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CHROMATE OVERALL
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER: 2.345 INCHES MINIMUM AND 2.375 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.735 INCHES MINIMUM AND 0.795 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
FIRST DIAMETER FROM HEAD0.166 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
INTERNAL DRIVE STYLESLOT
EXTENDED WASHER THICKNESS0.015 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN
FASTENER LENGTH3.110 INCHES MINIMUM AND 3.140 INCHES MAXIMUM IN
EXTENDED WASHER DIAMETER0.390 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
SURFACE TREATMENTCHROMATE OVERALL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER2.345 INCHES MINIMUM AND 2.375 INCHES MAXIMUM IN
THREAD LENGTH0.735 INCHES MINIMUM AND 0.795 INCHES MAXIMUM IN
HEAD STYLEHEXAGON EXTENDED WASHER
MATERIALSTEEL COMP 1020 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
6S6-120VInterchangeable
interchangeable cross-reference
interchangeable
8017/21-03-5 GR EEN 120V 60HZInterchangeable
interchangeable cross-reference
interchangeable
656-120/125VInterchangeable
interchangeable cross-reference
interchangeable
88-26500Interchangeable
interchangeable cross-reference
interchangeable
JJB-MInterchangeable
interchangeable cross-reference
interchangeable
2517-MInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20-143?
20-143 is a LINE SECTION,RADIO FREQUENCY TRA manufactured by Exost.
What parts can replace 20-143?
There are 22 known substitutes for 20-143: 6S6-120V, 8017/21-03-5 GR EEN 120V 60HZ, 656-120/125V and 19 more. Substitute compatibility should be verified for your specific system.
Is 20-143 still available?
20-143 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: July 2026