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Technical Data Sheet
PartsTable / COMPONENT / 03679
03679 ✓ 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,HEXAGON is a the manufacturer industrial component. Key specifications include end_item_identification: VALVE,LINEAR,DIRECT 1.50IPS, criticality_code_justification: ZZZY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-222-4940, 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
03679
NSN: 5310-01-222-4940
FSC: 5310
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
end_item_identificationVALVE,LINEAR,DIRECT 1.50IPS
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsQUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
NSN5310-01-222-4940
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 03679 · 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 19
90-964Interchangeable
interchangeable cross-reference
interchangeable
272SC316Interchangeable
interchangeable cross-reference
interchangeable
5120-00-156-0981Interchangeable
interchangeable cross-reference
interchangeable
8N3679CInterchangeable
interchangeable cross-reference
interchangeable
3679Interchangeable
interchangeable cross-reference
interchangeable
29899BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 03679?
03679 is a NUT,PLAIN,HEXAGON.
What parts can replace 03679?
There are 19 known substitutes for 03679: 90-964, 272SC316, 5120-00-156-0981 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 03679?
03679 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-222-4940. 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