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Technical Data Sheet
PartsTable / COMPONENT / CLS-0624-2
CLS-0624-2 ✓ 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 NUT,PLAIN,CLINCH is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, nut_style: CLINCHCLINCH, nut_height: 0.366 INCHES MINIMUM AND 0.366 INCHES MINIMUM AND 0.401 INCHES MAXIMUM0.401 INCHES MAXIMUM IN, nut_diameter: 0.547 INCHES MINIMUM AND 0.547 INCHES MINIMUM AND 0.577 INCHES MAXIMUM0.577 INCHES MAXIMUM IN, pilot_length: 0.115 INCHES MINIMUM AND 0.115 INCHES MINIMUM AND 0.120 INCHES MAXIMUM0.120 INCHES MAXIMUM IN, thread_class: 2B2B. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-252-3101, 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
CLS-0624-2
NSN: 5310-01-252-3101
FSC: 5310
CAGE: 46384 — PENN ENGINEERING & MANUFACTURING CORP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
nut_styleCLINCHCLINCH
nut_height0.366 INCHES MINIMUM AND 0.366 INCHES MINIMUM AND 0.401 INCHES MAXIMUM0.401 INCHES MAXIMUM IN
nut_diameter0.547 INCHES MINIMUM AND 0.547 INCHES MINIMUM AND 0.577 INCHES MAXIMUM0.577 INCHES MAXIMUM IN
pilot_length0.115 INCHES MINIMUM AND 0.115 INCHES MINIMUM AND 0.120 INCHES MAXIMUM0.120 INCHES MAXIMUM IN
thread_class2B2B
thread_seriesUNFUNF
pilot_diameter0.495 INCHES MINIMUM AND 0.495 INCHES MINIMUM AND 0.498 INCHES MAXIMUM0.498 INCHES MAXIMUM IN
thread_directionRIGHT-HANDRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.375 INCHES0.375 INCHES IN
thread_quantity_per_inch2424
NSN5310-01-252-3101
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: CLS-0624-2 · 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
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
THREAD QUANTITY PER INCH: 2424
•
THREAD SERIES: UNFUNF
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
NOMINAL THREAD SIZE: 0.375 INCHES0.375 INCHES IN
•
NUT HEIGHT: 0.366 INCHES MINIMUM AND 0.366 INCHES MINIMUM AND 0.401 INCHES MAXIMUM0.401 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HANDRIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD QUANTITY PER INCH2424
THREAD SERIESUNFUNF
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD SIZE0.375 INCHES0.375 INCHES IN
NUT HEIGHT0.366 INCHES MINIMUM AND 0.366 INCHES MINIMUM AND 0.401 INCHES MAXIMUM0.401 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HANDRIGHT-HAND
PILOT DIAMETER0.495 INCHES MINIMUM AND 0.495 INCHES MINIMUM AND 0.498 INCHES MAXIMUM0.498 INCHES MAXIMUM IN
PILOT LENGTH0.115 INCHES MINIMUM AND 0.115 INCHES MINIMUM AND 0.120 INCHES MAXIMUM0.120 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
PEMCLS632-2Interchangeable
interchangeable cross-reference
interchangeable
10001-8Interchangeable
interchangeable cross-reference
interchangeable
322621-27Interchangeable
interchangeable cross-reference
interchangeable
MIL-N-45938/1Interchangeable
interchangeable cross-reference
interchangeable
M45938/1-1Interchangeable
interchangeable cross-reference
interchangeable
NASM45938/1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CLS-0624-2?
CLS-0624-2 is a NUT,PLAIN,CLINCH.
What parts can replace CLS-0624-2?
There are 9 known substitutes for CLS-0624-2: PEMCLS632-2, 10001-8, 322621-27 and 6 more. Substitute compatibility should be verified for your specific system.
Is CLS-0624-2 still available?
CLS-0624-2 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