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PartsTable / COMPONENT / 202983
202983 ✓ 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

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1060 OVERALL, hole_diameter: 0.382 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN, hardness_rating: 46.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM, outside_diameter: 0.688 INCHES MAXIMUM IN, style_designator: SPLIT HELICAL-RIGHT HAND, material_thickness: 0.094 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 5310-00-209-0933, 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
202983
NSN: 5310-00-209-0933
FSC: 5310
CAGE: 06853 — BENDIX COMMERCIAL VEHICLE SYSTEMS LLC DBA BENDIX COMMERCIAL VEHICLE SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 1060 OVERALL
hole_diameter0.382 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN
hardness_rating46.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
outside_diameter0.688 INCHES MAXIMUM IN
style_designatorSPLIT HELICAL-RIGHT HAND
material_thickness0.094 INCHES NOMINAL IN
material_document_and_classification-AMS 7240 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-209-0933
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 202983 · 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
•
OUTSIDE DIAMETER: 0.688 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
HOLE DIAMETER: 0.382 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN
•
HARDNESS RATING: 46.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: -AMS 7240 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL THICKNESS: 0.094 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1060 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.688 INCHES MAXIMUM IN
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
HOLE DIAMETER0.382 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN
HARDNESS RATING46.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION-AMS 7240 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.094 INCHES NOMINAL IN
MATERIALSTEEL COMP 1060 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
S604Interchangeable
interchangeable cross-reference
interchangeable
MS35338-8Interchangeable
interchangeable cross-reference
interchangeable
40S33Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 202983?
202983 is a WASHER,LOCK.
What parts can replace 202983?
There are 3 known substitutes for 202983: S604, MS35338-8, 40S33. Substitute compatibility should be verified for your specific system.
What is the NSN for 202983?
202983 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-209-0933. 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