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Technical Data Sheet
3H4579AV7 ✓ 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 material: STEEL COMP 1020 OVERALL, nut_style: HEXAGON, nut_height: 0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNF, thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-222-7268, 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
3H4579AV7
NSN: 5310-00-222-7268
FSC: 5310
CAGE: 66544 — FRONTGRADE TECHNOLOGIES INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 1020 OVERALL
nut_styleHEXAGON
nut_height0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNF
thread_directionRIGHT-HAND
features_providedCASEHARDENED
width_across_flats0.433 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN
nominal_thread_size0.312 INCHES IN
bearing_surface_typeWASHER FACED
thread_quantity_per_inch24
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-222-7268
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3H4579AV7 · 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
THREAD CLASS: 3B
FEATURES PROVIDED: CASEHARDENED
BEARING SURFACE TYPE: WASHER FACED
NOMINAL THREAD SIZE: 0.312 INCHES IN
THREAD SERIES: UNF
THREAD QUANTITY PER INCH: 24
NUT HEIGHT: 0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3B
FEATURES PROVIDEDCASEHARDENED
BEARING SURFACE TYPEWASHER FACED
NOMINAL THREAD SIZE0.312 INCHES IN
THREAD SERIESUNF
THREAD QUANTITY PER INCH24
NUT HEIGHT0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 1020 OVERALL
WIDTH ACROSS FLATS0.433 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
3A753Interchangeable
interchangeable cross-reference
interchangeable
83091160Interchangeable
interchangeable cross-reference
interchangeable
SD63521Interchangeable
interchangeable cross-reference
interchangeable
14974Interchangeable
interchangeable cross-reference
interchangeable
AFS-2782Interchangeable
interchangeable cross-reference
interchangeable
NAS1497-04Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3H4579AV7?
3H4579AV7 is a NUT,PLAIN,HEXAGON.
What parts can replace 3H4579AV7?
There are 12 known substitutes for 3H4579AV7: 3A753, 83091160, SD63521 and 9 more. Substitute compatibility should be verified for your specific system.
Is 3H4579AV7 still available?
3H4579AV7 is currently cancelled.
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