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Technical Data Sheet
PartsTable / COMPONENT / SMB157016-3
SMB157016-3 ✓ 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,FLAT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 116 OVERALL, thickness: 0.030 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN, hole_diameter: 0.499 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN, overall_diameter: 0.693 INCHES MINIMUM AND 0.713 INCHES MAXIMUM IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-298-8166, 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
SMB157016-3
NSN: 5310-00-298-8166
FSC: 5310
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
materialCOPPER ALLOY 116 OVERALL
thickness0.030 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
hole_diameter0.499 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
overall_diameter0.693 INCHES MINIMUM AND 0.713 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-298-8166
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SMB157016-3 · 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: COPPER ALLOY 116 OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
CENTER HOLE SHAPE STYLE: ROUND
•
OVERALL DIAMETER: 0.693 INCHES MINIMUM AND 0.713 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
THICKNESS: 0.030 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.499 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY 116 OVERALL
PERIPHERAL SHAPE STYLEROUND
CENTER HOLE SHAPE STYLEROUND
OVERALL DIAMETER0.693 INCHES MINIMUM AND 0.713 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.030 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
HOLE DIAMETER0.499 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
52679Interchangeable
interchangeable cross-reference
interchangeable
GGG-R-791Interchangeable
Rule,machinist's
interchangeable
RULER12Interchangeable
Rule,machinist's
interchangeable
5210-00-234-5224Interchangeable
Rule,machinist's
interchangeable
C604R-12Interchangeable
Rule,machinist's
interchangeable
C604R-12 STARRETTInterchangeable
Rule,machinist's
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SMB157016-3?
SMB157016-3 is a WASHER,FLAT.
What parts can replace SMB157016-3?
There are 6 known substitutes for SMB157016-3: 52679, GGG-R-791, RULER12 and 3 more. Substitute compatibility should be verified for your specific system.
Is SMB157016-3 still available?
SMB157016-3 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