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Technical Data Sheet
NAS679C04 ✓ 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,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, nut_style: HEXAGON, nut_height: 0.125 INCHES NOMINAL IN, lubrication: SOLUBLE LUBRICANT, temp_rating: 800.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-801-4419, 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
NAS679C04
NSN: 5310-00-801-4419
FSC: 5310
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
nut_styleHEXAGON
nut_height0.125 INCHES NOMINAL IN
lubricationSOLUBLE LUBRICANT
temp_rating800.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNJC
overall_height0.103 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
washer_thickness0.010 INCHES MINIMUM IN
precious_materialSILVER
NSN5310-00-801-4419
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NAS679C04 · 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 STYLE: HEXAGON
MATERIAL: IRON ALLOY 660 OVERALL
TEMP RATING: 800.0 FAHRENHEIT NOMINAL DEGF
BEARING SURFACE TYPE: FLAT
NOMINAL THREAD SIZE: 0.112 INCHES IN
PRECIOUS MATERIAL: SILVER
THREAD CLASS: 3B
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS (FLIS)
NUT STYLEHEXAGON
MATERIALIRON ALLOY 660 OVERALL
TEMP RATING800.0 FAHRENHEIT NOMINAL DEGF
BEARING SURFACE TYPEFLAT
NOMINAL THREAD SIZE0.112 INCHES IN
PRECIOUS MATERIALSILVER
THREAD CLASS3B
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.240 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
SPECIFICATION/STANDARD DATA80205-NAS679 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
NAS1291C04Interchangeable
interchangeable cross-reference
interchangeable
P146007001Interchangeable
interchangeable cross-reference
interchangeable
MS21043-04Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS679C04?
NAS679C04 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace NAS679C04?
There are 3 known substitutes for NAS679C04: NAS1291C04, P146007001, MS21043-04. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS679C04?
NAS679C04 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-801-4419. This indicates validated use in U.S. government and defense supply chains.
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