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WN-0420 — NUT,SELF-LOCKING,ROUND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

WN-0420: NUT,SELF-LOCKING,ROUND.

The NUT,SELF-LOCKING,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: ROUND, nut_diameter: 0.515 INCHES MINIMUM AND 0.525 INCHES MAXIMUM IN, thread_class: 2B, nut_thickness: 0.181 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF). This part is cataloged in the U.S.

Government catalog under NSN 5310-01-376-8779, 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
WN-0420
NSN: 5310-01-376-8779
FSC: 5310 — Nuts and Washers
CAGE: 46384 — PENN ENGINEERING & MANUFACTURING CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleROUND
nut_diameter0.515 INCHES MINIMUM AND 0.525 INCHES MAXIMUM IN
thread_class2B
nut_thickness0.181 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
nominal_thread_size0.250 INCHES IN
thread_quantity_per_inch20
specification/standard_data46384-WN-0420 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
NSN5310-01-376-8779
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: WN-0420 · 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
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
NUT DIAMETER: 0.515 INCHES MINIMUM AND 0.525 INCHES MAXIMUM IN
•
SPECIFICATION/STANDARD DATA: 46384-WN-0420 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
•
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
•
NUT THICKNESS: 0.181 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN
•
NUT STYLE: ROUND
TECHNICAL CHARACTERISTICS
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
NUT DIAMETER0.515 INCHES MINIMUM AND 0.525 INCHES MAXIMUM IN
SPECIFICATION/STANDARD DATA46384-WN-0420 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
NUT THICKNESS0.181 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN
NUT STYLEROUND
THREAD CLASS2B
THREAD QUANTITY PER INCH20
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is WN-0420?
WN-0420 is a NUT,SELF-LOCKING,ROUND.
What is the NSN for WN-0420?
WN-0420 is cataloged in the U.S. Government catalog under NSN 5310-01-376-8779. This indicates validated use in U.S. government and defense supply chains.
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