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PartsTable / COMPONENT / NAS679A04
NAS679A04 ✓ 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: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.125 INCHES MAXIMUM IN, lubrication: DRY FILM LUBRICANT, temp_rating: 450.0 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 5310-00-680-9295, 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
NAS679A04
NSN: 5310-00-680-9295
FSC: 5310
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.125 INCHES MAXIMUM IN
lubricationDRY FILM LUBRICANT
temp_rating450.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNJC
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
countersink_angle120.0 DEGREES NOMINAL NUT
surface_treatmentCADMIUM OVERALL
width_across_flats0.240 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
NSN5310-00-680-9295
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NAS679A04 · 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
•
SURFACE TREATMENT: CADMIUM OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
BEARING SURFACE TYPE: FLAT
•
NOMINAL THREAD SIZE: 0.112 INCHES IN
•
MATERIAL: STEEL OVERALL
•
WIDTH ACROSS FLATS: 0.240 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
•
NUT STYLE: HEXAGON
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCADMIUM OVERALL
THREAD DIRECTIONRIGHT-HAND
BEARING SURFACE TYPEFLAT
NOMINAL THREAD SIZE0.112 INCHES IN
MATERIALSTEEL OVERALL
WIDTH ACROSS FLATS0.240 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
NUT STYLEHEXAGON
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH40
TEMP RATING550.0 FAHRENHEIT NOMINAL DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
H10-04Interchangeable
interchangeable cross-reference
interchangeable
8526631Interchangeable
interchangeable cross-reference
interchangeable
10121486Interchangeable
interchangeable cross-reference
interchangeable
NAS679A04Interchangeable
interchangeable cross-reference
interchangeable
CP10-3-4-440Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS679A04?
NAS679A04 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace NAS679A04?
There are 5 known substitutes for NAS679A04: H10-04, 8526631, 10121486 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS679A04?
NAS679A04 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-680-9295. 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