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Technical Data Sheet
PartsTable / COMPONENT / CLS-0428-2
CLS-0428-2 ✓ 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 COMP 303 OVERALL, nut_style: CLINCH, nut_height: 0.239 INCHES MINIMUM AND 0.274 INCHES MAXIMUM IN, nut_diameter: 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN, pilot_length: 0.082 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN, thread_class: 2B. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-067-3410, 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-0428-2
NSN: 5310-01-067-3410
FSC: 5310
CAGE: 46384 — PENN ENGINEERING & MANUFACTURING CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
nut_styleCLINCH
nut_height0.239 INCHES MINIMUM AND 0.274 INCHES MAXIMUM IN
nut_diameter0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
pilot_length0.082 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNF
pilot_diameter0.339 INCHES MINIMUM AND 0.342 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.250 INCHES IN
thread_quantity_per_inch28
NSN5310-01-067-3410
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: CLS-0428-2 · 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
•
THREAD DIRECTION: RIGHT-HAND
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 303 OVERALL
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
THREAD QUANTITY PER INCH: 28
•
THREAD SERIES: UNF
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD QUANTITY PER INCH28
THREAD SERIESUNF
NOMINAL THREAD SIZE0.250 INCHES IN
NUT HEIGHT0.239 INCHES MINIMUM AND 0.274 INCHES MAXIMUM IN
PILOT LENGTH0.082 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
AC-032-1Interchangeable
interchangeable cross-reference
interchangeable
SM-A-989709-5Interchangeable
interchangeable cross-reference
interchangeable
M45938/11Interchangeable
interchangeable cross-reference
interchangeable
ST660124-29Interchangeable
Same NIIN cross-reference
interchangeable
18011D-SS-2528Interchangeable
Same NIIN cross-reference
interchangeable
728NKS-(0.091)Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CLS-0428-2?
CLS-0428-2 is a NUT,PLAIN,CLINCH.
What parts can replace CLS-0428-2?
There are 8 known substitutes for CLS-0428-2: AC-032-1, SM-A-989709-5, M45938/11 and 5 more. Substitute compatibility should be verified for your specific system.
Is CLS-0428-2 still available?
CLS-0428-2 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