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Technical Data Sheet
PartsTable / COMPONENT / C738
C738 ✓ 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 C738 is a the manufacturer industrial component. Key specifications include special_features: 5.0 MHZ FREQ.; 0.470 IN. THK; 0.510 IN.

DIA.; 0.312 IN. DIA. ELEMENT SIZE MHz.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-424-5148, 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
C738
NSN: 5315-00-424-5148
FSC: 5315
CAGE: 30418 — THOR POWER TOOL CO SUB OF STEWART-WARNER CO (USA)
SPECIFICATIONS
special_features5.0 MHZ FREQ.; 0.470 IN. THK; 0.510 IN. DIA.; 0.312 IN. DIA. ELEMENT SIZE MHz
NSN5315-00-424-5148
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: C738 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
72T032Interchangeable
interchangeable cross-reference
interchangeable
CM0505Interchangeable
interchangeable cross-reference
interchangeable
TS-146-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C738?
C738 is a C738.
What parts can replace C738?
There are 3 known substitutes for C738: 72T032, CM0505, TS-146-5. Substitute compatibility should be verified for your specific system.
What is the NSN for C738?
C738 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-424-5148. 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