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Technical Data Sheet
PartsTable / COMPONENT / SMB148622
SMB148622 ✓ 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 PIN,GROOVED,HEADED is a the manufacturer industrial component. Key specifications include height: 0.016 INCHES MINIMUM AND 0.048 INCHES MAXIMUM IN, diameter: 0.186 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN, material: STEEL COMP 1018 OVERALL, head_style: FLAT, surface_finish: 63.0 MICROINCHES ALL OTHER SURFACES, undercut_width: 0.147 INCHES MINIMUM AND 0.149 INCHES MAXIMUM 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 5315-00-209-7594, 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
SMB148622
NSN: 5315-00-209-7594
FSC: 5315
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
height0.016 INCHES MINIMUM AND 0.048 INCHES MAXIMUM IN
diameter0.186 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
materialSTEEL COMP 1018 OVERALL
head_styleFLAT
surface_finish63.0 MICROINCHES ALL OTHER SURFACES
undercut_width0.147 INCHES MINIMUM AND 0.149 INCHES MAXIMUM IN
first_end_styleCHAMFERED
effective_length0.222 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN
style_designatorGROOVE
features_providedCASEHARDENED
pin_head_diameter0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
surface_treatmentCADMIUM OR PHOSPHATE OVERALL
NSN5315-00-209-7594
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SMB148622 · 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
•
UNDERCUT WIDTH: 0.147 INCHES MINIMUM AND 0.149 INCHES MAXIMUM IN
•
FEATURES PROVIDED: CASEHARDENED
•
PIN HEAD DIAMETER: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
•
UNDER HEAD LENGTH: 0.744 INCHES MINIMUM AND 0.754 INCHES MAXIMUM IN
•
FIRST END TAPER ANGLE: 40.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM
•
UNDERCUT DIAMETER: 0.030 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: GROOVE
•
SECOND UNDERCUT WIDTH: 0.020 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
UNDERCUT WIDTH0.147 INCHES MINIMUM AND 0.149 INCHES MAXIMUM IN
FEATURES PROVIDEDCASEHARDENED
PIN HEAD DIAMETER0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
UNDER HEAD LENGTH0.744 INCHES MINIMUM AND 0.754 INCHES MAXIMUM IN
FIRST END TAPER ANGLE40.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM
UNDERCUT DIAMETER0.030 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
STYLE DESIGNATORGROOVE
SECOND UNDERCUT WIDTH0.020 INCHES NOMINAL IN
EFFECTIVE LENGTH0.222 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN
FIRST END STYLECHAMFERED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
5313-1Interchangeable
interchangeable cross-reference
interchangeable
5313Interchangeable
interchangeable cross-reference
interchangeable
110 31/64Interchangeable
interchangeable cross-reference
interchangeable
1302Interchangeable
interchangeable cross-reference
interchangeable
310-RTInterchangeable
interchangeable cross-reference
interchangeable
PC200JInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SMB148622?
SMB148622 is a PIN,GROOVED,HEADED.
What parts can replace SMB148622?
There are 10 known substitutes for SMB148622: 5313-1, 5313, 110 31/64 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SMB148622?
SMB148622 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-209-7594. 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