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PartsTable / COMPONENT / M6355
M6355 ✓ 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: COPPER ALLOY OVERALL, hole_diameter: 0.314 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN, outside_diameter: 0.425 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN, style_designator: FLAT INTERNAL TEETH, surface_treatment: SILVER OVERALL, material_thickness: 0.017 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-964-7561, 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
M6355
NSN: 5310-00-964-7561
FSC: 5310
CAGE: 01121 — ROCKWELL AUTOMATION, INC. DBA ROCKWELL AUTOMATION (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
hole_diameter0.314 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
outside_diameter0.425 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN
style_designatorFLAT INTERNAL TEETH
surface_treatmentSILVER OVERALL
material_thickness0.017 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
NSN5310-00-964-7561
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M6355 · 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
•
STYLE DESIGNATOR: FLAT INTERNAL TEETH
•
MATERIAL: COPPER ALLOY OVERALL
•
HOLE DIAMETER: 0.314 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
•
SURFACE TREATMENT: SILVER OVERALL
•
OUTSIDE DIAMETER: 0.425 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.017 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORFLAT INTERNAL TEETH
MATERIALCOPPER ALLOY OVERALL
HOLE DIAMETER0.314 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
SURFACE TREATMENTSILVER OVERALL
OUTSIDE DIAMETER0.425 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN
MATERIAL THICKNESS0.017 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
00-082078Interchangeable
interchangeable cross-reference
interchangeable
6-6Interchangeable
interchangeable cross-reference
interchangeable
SC6SInterchangeable
interchangeable cross-reference
interchangeable
13216Interchangeable
interchangeable cross-reference
interchangeable
5 5-32X13-16Interchangeable
interchangeable cross-reference
interchangeable
1316559Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M6355?
M6355 is a WASHER,LOCK.
What parts can replace M6355?
There are 13 known substitutes for M6355: 00-082078, 6-6, SC6S and 10 more. Substitute compatibility should be verified for your specific system.
Is M6355 still available?
M6355 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026