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PartsTable / COMPONENT / 3-035X020
3-035X020 ✓ 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 304 OVERALL, hole_diameter: 0.103 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN, outside_diameter: 0.188 INCHES MAXIMUM IN, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: PASSIVATE OVERALL, material_thickness: 0.020 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 5310-00-058-2948, 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
3-035X020
NSN: 5310-00-058-2948
FSC: 5310
CAGE: 80120 — SCHNITZER ALLOY PRODUCTS CO INC (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
hole_diameter0.103 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
outside_diameter0.188 INCHES MAXIMUM IN
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentPASSIVATE OVERALL
material_thickness0.020 INCHES NOMINAL IN
nondefinitive_spec/std_dataC CLASS AND 1 STYLE
departure_from_cited_documentAS MODIFIED BY MATERIAL
material_document_and_classificationQQ-S-766,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-058-2948
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3-035X020 · 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 DOCUMENT AND CLASSIFICATION: QQ-S-766,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NONDEFINITIVE SPEC/STD DATA: C CLASS AND 1 STYLE
•
HOLE DIAMETER: 0.103 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: STEEL COMP 304 OVERALL
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
MATERIAL THICKNESS: 0.020 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.188 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NONDEFINITIVE SPEC/STD DATAC CLASS AND 1 STYLE
HOLE DIAMETER0.103 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL COMP 304 OVERALL
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
MATERIAL THICKNESS0.020 INCHES NOMINAL IN
OUTSIDE DIAMETER0.188 INCHES MAXIMUM IN
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY MATERIAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
12Z3018-25Interchangeable
interchangeable cross-reference
interchangeable
FFW84CLASSCSTYLE1Interchangeable
interchangeable cross-reference
interchangeable
852961Interchangeable
interchangeable cross-reference
interchangeable
G221439-21Interchangeable
interchangeable cross-reference
interchangeable
616938PC4Interchangeable
interchangeable cross-reference
interchangeable
12Z3018PC27Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3-035X020?
3-035X020 is a WASHER,LOCK.
What parts can replace 3-035X020?
There are 22 known substitutes for 3-035X020: 12Z3018-25, FFW84CLASSCSTYLE1, 852961 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3-035X020?
3-035X020 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-058-2948. 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