PartsTable
Technical Data Sheet
502L3 ✓ 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 material: STEEL OVERALL, opening_width: 1.875 INCHES MAXIMUM IN, overall_width: 2.375 INCHES MINIMUM AND 2.875 INCHES MAXIMUM IN, head_thickness: 0.375 INCHES NOMINAL IN, overall_length: 9.500 INCHES MINIMUM AND 10.500 INCHES MAXIMUM IN, special_features: LOCKING PLIERS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-207-9413, 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
502L3
NSN: 5310-00-207-9413
FSC: 5310
CAGE: 60528 — TRAILMOBILE INC SUB OF THE PULLMAN CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
opening_width1.875 INCHES MAXIMUM IN
overall_width2.375 INCHES MINIMUM AND 2.875 INCHES MAXIMUM IN
head_thickness0.375 INCHES NOMINAL IN
overall_length9.500 INCHES MINIMUM AND 10.500 INCHES MAXIMUM IN
special_featuresLOCKING PLIERS
style_designatorCURVED JAW
features_providedWIRE CUTTING FEATURE
nondefinitive_spec/std_data1 TYPE AND 2 CLASS AND B STYLE
specification/standard_data05047-ASME B107.500 CAT 24 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
environmental_attribute_codePLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
NSN5310-00-207-9413
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 502L3 · 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
NUT STYLE: SQUARE
NOMINAL THREAD SIZE: 0.375 INCHES IN
THREAD QUANTITY PER INCH: 16
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
BEARING SURFACE TYPE: WASHER FACED
MATERIAL: STEEL OVERALL
THREAD CLASS: 2B
NONDEFINITIVE SPEC/STD DATA: B-2 TYPE
TECHNICAL CHARACTERISTICS (FLIS)
NUT STYLESQUARE
NOMINAL THREAD SIZE0.375 INCHES IN
THREAD QUANTITY PER INCH16
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
BEARING SURFACE TYPEWASHER FACED
MATERIALSTEEL OVERALL
THREAD CLASS2B
NONDEFINITIVE SPEC/STD DATAB-2 TYPE
WIDTH ACROSS FLATS0.606 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
M491Interchangeable
interchangeable cross-reference
interchangeable
M491STKInterchangeable
interchangeable cross-reference
interchangeable
FFB571TYPEB2Interchangeable
interchangeable cross-reference
interchangeable
92775Interchangeable
interchangeable cross-reference
interchangeable
JHP13-187Interchangeable
interchangeable cross-reference
interchangeable
92766Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 502L3?
502L3 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 502L3?
There are 7 known substitutes for 502L3: M491, M491STK, FFB571TYPEB2 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 502L3?
502L3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-207-9413. This indicates validated use in U.S. government and defense supply chains.
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