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Technical Data Sheet
PartsTable / COMPONENT / 20500-14
20500-14 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include diameter: 0.562 INCHES NOMINAL IN, material: STEEL OVERALL, body_style: STRAIGHT SHAPE, LATCHING, thread_class: 2A A, hole_diameter: 0.168 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN, overall_width: 0.770 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-143-5687, 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
20500-14
NSN: 5310-00-143-5687
FSC: 5310
CAGE: 19315 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS FORMER BENDIX NAVIGATION AND CONTROL SYSTEMS (USA)
SPECIFICATIONS
diameter0.562 INCHES NOMINAL IN
materialSTEEL OVERALL
body_styleSTRAIGHT SHAPE, LATCHING
thread_class2A A
hole_diameter0.168 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
overall_width0.770 INCHES NOMINAL IN
terminal_typeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
overall_length0.530 INCHES NOMINAL IN
insert_materialPLASTIC SINGLE MATING END
bushing_diameter0.500 INCHES NOMINAL IN
outside_diameter0.356 INCHES NOMINAL IN
style_designatorSPLIT HELICAL-RIGHT HAND
NSN5310-00-143-5687
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 20500-14 · 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
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 0.168 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.031 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
OUTSIDE DIAMETER: 0.356 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
HOLE DIAMETER0.168 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
MATERIAL THICKNESS0.031 INCHES NOMINAL IN
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
OUTSIDE DIAMETER0.356 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
MSC9-20SGDFVRNInterchangeable
interchangeable cross-reference
interchangeable
UM01C09FN2AInterchangeable
interchangeable cross-reference
interchangeable
850643Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20500-14?
20500-14 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 20500-14?
There are 3 known substitutes for 20500-14: MSC9-20SGDFVRN, UM01C09FN2A, 850643. Substitute compatibility should be verified for your specific system.
What is the NSN for 20500-14?
20500-14 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-143-5687. 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