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Technical Data Sheet
PartsTable / COMPONENT / SM-B-414658
SM-B-414658 ✓ 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,SHOULDERED AND RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL, recess_angle: 89.5 DEGREES MINIMUM AND 90.5 DEGREES MAXIMUM, hole_diameter: 0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN, shoulder_height: 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN, outside_diameter: 0.547 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN, style_designator: SHOULDERED AND RECESSED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-823-8763, 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
SM-B-414658
NSN: 5310-00-823-8763
FSC: 5310
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
materialSTEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL
recess_angle89.5 DEGREES MINIMUM AND 90.5 DEGREES MAXIMUM
hole_diameter0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
shoulder_height0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
outside_diameter0.547 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
style_designatorSHOULDERED AND RECESSED
shoulder_diameter0.369 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
surface_treatmentCADMIUM OVERALL
material_thickness0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
material_document_and_classificationQQ-A-698 FED SPEC ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classificationMIL-F-14072,FINISH -262 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-823-8763
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SM-B-414658 · 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: 0.547 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
•
RECESS ANGLE: 89.5 DEGREES MINIMUM AND 90.5 DEGREES MAXIMUM
•
MATERIAL: STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL
•
STYLE DESIGNATOR: SHOULDERED AND RECESSED
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-698 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-F-14072,FINISH -262 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SHOULDER HEIGHT: 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.547 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
RECESS ANGLE89.5 DEGREES MINIMUM AND 90.5 DEGREES MAXIMUM
MATERIALSTEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL
STYLE DESIGNATORSHOULDERED AND RECESSED
SURFACE TREATMENTCADMIUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-698 FED SPEC ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072,FINISH -262 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER HEIGHT0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
HOLE DIAMETER0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
SHOULDER DIAMETER0.369 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
304002Interchangeable
interchangeable cross-reference
interchangeable
800912Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SM-B-414658?
SM-B-414658 is a WASHER,SHOULDERED AND RECESSED.
What parts can replace SM-B-414658?
There are 2 known substitutes for SM-B-414658: 304002, 800912. Substitute compatibility should be verified for your specific system.
What is the NSN for SM-B-414658?
SM-B-414658 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-823-8763. 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