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44-0385W — Technical Data Sheet

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— · 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 WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-063-5225, 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
44-0385W
NSN: 5310-01-063-5225
FSC: 5310
CAGE: 55683 — WHEELER FLEET SOLUTIONS, CO. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
NSN5310-01-063-5225
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 44-0385W · 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
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
34845S7S8Interchangeable
interchangeable cross-reference
interchangeable
12X199Interchangeable
interchangeable cross-reference
interchangeable
X1022Interchangeable
interchangeable cross-reference
interchangeable
131098Interchangeable
interchangeable cross-reference
interchangeable
5815PL0943409Interchangeable
interchangeable cross-reference
interchangeable
009-1363-000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 44-0385W?
44-0385W is a WASHER,LOCK.
What parts can replace 44-0385W?
There are 9 known substitutes for 44-0385W: 34845S7S8, 12X199, X1022 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 44-0385W?
44-0385W is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-063-5225. 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: September 2026