PartsTable
Technical Data Sheet
S-440-2CX ✓ 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 OVERALL, nut_style: CLINCH, nut_height: 0.096 INCHES MINIMUM AND 0.131 INCHES MAXIMUM IN, nut_diameter: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN, pilot_length: 0.049 INCHES MINIMUM AND 0.054 INCHES MAXIMUM IN, thread_class: 2B. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-011-7989, 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
S-440-2CX
NSN: 5310-01-011-7989
FSC: 5310
CAGE: 46384 — PENN ENGINEERING & MANUFACTURING CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleCLINCH
nut_height0.096 INCHES MINIMUM AND 0.131 INCHES MAXIMUM IN
nut_diameter0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
pilot_length0.049 INCHES MINIMUM AND 0.054 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
pilot_diameter0.161 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
hardness_rating35.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.112 INCHES IN
NSN5310-01-011-7989
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: S-440-2CX · 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
NUT DIAMETER: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
MATERIAL: STEEL OVERALL
SURFACE TREATMENT: CADMIUM OVERALL
NUT STYLE: CLINCH
PILOT LENGTH: 0.049 INCHES MINIMUM AND 0.054 INCHES MAXIMUM IN
HARDNESS RATING: 35.0 ROCKWELL C MAXIMUM
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH: 40
TECHNICAL CHARACTERISTICS (FLIS)
NUT DIAMETER0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM OVERALL
NUT STYLECLINCH
PILOT LENGTH0.049 INCHES MINIMUM AND 0.054 INCHES MAXIMUM IN
HARDNESS RATING35.0 ROCKWELL C MAXIMUM
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH40
NOMINAL THREAD SIZE0.112 INCHES IN
PILOT DIAMETER0.161 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
250Interchangeable
interchangeable cross-reference
interchangeable
003930Interchangeable
interchangeable cross-reference
interchangeable
S4402Interchangeable
interchangeable cross-reference
interchangeable
10086007Interchangeable
interchangeable cross-reference
interchangeable
3033953Interchangeable
interchangeable cross-reference
interchangeable
AR12861Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S-440-2CX?
S-440-2CX is a NUT,PLAIN,CLINCH.
What parts can replace S-440-2CX?
There are 18 known substitutes for S-440-2CX: 250, 003930, S4402 and 15 more. Substitute compatibility should be verified for your specific system.
Is S-440-2CX still available?
S-440-2CX is currently cancelled.
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