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NAS679C3M ✓ 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

NUT,SELF-LOCKING,SLOTTED,HEXAGON. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-816-1879, 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
NAS679C3M
NSN: 5310-00-816-1879
FSC: 5310
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
Part NumberNAS679C3M
NSN5310-00-816-1879
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NAS679C3M · 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 17
210062Interchangeable
interchangeable cross-reference
interchangeable
001-30144Interchangeable
interchangeable cross-reference
interchangeable
5T5147Interchangeable
interchangeable cross-reference
interchangeable
MA1605Interchangeable
interchangeable cross-reference
interchangeable
1N5731BInterchangeable
interchangeable cross-reference
interchangeable
530128Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS679C3M?
NAS679C3M is a NUT,SELF-LOCKING,SLOTTED,HEXAGON.
What parts can replace NAS679C3M?
There are 17 known substitutes for NAS679C3M: 210062, 001-30144, 5T5147 and 14 more. Substitute compatibility should be verified for your specific system.
Is NAS679C3M still available?
NAS679C3M 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