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PartsTable / COMPONENT / SMB447694-3
SMB447694-3 ✓ 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 color: GREEN OVERALL, material: STEEL COMP 302 OR STEEL COMP 420 OVERALL, hole_diameter: 0.115 INCHES MINIMUM AND 0.121 INCHES MAXIMUM IN, outside_diameter: 0.202 INCHES NOMINAL IN, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: PAINT OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-951-5660, 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
SMB447694-3
NSN: 5310-00-951-5660
FSC: 5310
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
colorGREEN OVERALL
materialSTEEL COMP 302 OR STEEL COMP 420 OVERALL
hole_diameter0.115 INCHES MINIMUM AND 0.121 INCHES MAXIMUM IN
outside_diameter0.202 INCHES NOMINAL IN
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentPAINT OVERALL
material_thickness0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OVERALL
NSN5310-00-951-5660
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SMB447694-3 · 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 THICKNESS: 0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.115 INCHES MINIMUM AND 0.121 INCHES MAXIMUM IN
•
COLOR: GREEN OVERALL
•
MATERIAL: STEEL COMP 302 OR STEEL COMP 420 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
SURFACE TREATMENT: PAINT OVERALL
•
OUTSIDE DIAMETER: 0.202 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
HOLE DIAMETER0.115 INCHES MINIMUM AND 0.121 INCHES MAXIMUM IN
COLORGREEN OVERALL
MATERIALSTEEL COMP 302 OR STEEL COMP 420 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENTPAINT OVERALL
OUTSIDE DIAMETER0.202 INCHES NOMINAL IN
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
2-029C557-7Interchangeable
interchangeable cross-reference
interchangeable
2-029C557-70Interchangeable
interchangeable cross-reference
interchangeable
4029-73Interchangeable
interchangeable cross-reference
interchangeable
9HE526Interchangeable
interchangeable cross-reference
interchangeable
FF9446-29Interchangeable
interchangeable cross-reference
interchangeable
7582393Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SMB447694-3?
SMB447694-3 is a WASHER,LOCK.
What parts can replace SMB447694-3?
There are 11 known substitutes for SMB447694-3: 2-029C557-7, 2-029C557-70, 4029-73 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SMB447694-3?
SMB447694-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-951-5660. 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