PartsTable
Technical Data Sheet

M45913/3-7CG5-MAG — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

M45913/3-7CG5-MAG: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL NUT, thread_class: 3B, thread_series: UNIFIED NATIONAL COARSE (UNC), nominal_thread_size: 0.4375 INCHES IN, thread_quantity_per_inch: 14, part_name_assigned_by_controlling_agency: NUT,SELF-LOCKING,HEXAGON. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-656-6729, 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
M45913/3-7CG5-MAG
NSN: 5310-01-656-6729
FSC: 5310 — Nuts and Washers
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL NUT
thread_class3B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
nominal_thread_size0.4375 INCHES IN
thread_quantity_per_inch14
part_name_assigned_by_controlling_agencyNUT,SELF-LOCKING,HEXAGON
NSN5310-01-656-6729
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M45913/3-7CG5-MAG · 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 SERIES: UNIFIED NATIONAL COARSE (UNC)
•
NOMINAL THREAD SIZE: 0.4375 INCHES IN
•
THREAD CLASS: 3B
•
THREAD QUANTITY PER INCH: 14
•
MATERIAL: STEEL NUT
TECHNICAL CHARACTERISTICS
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD SIZE0.4375 INCHES IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNUT,SELF-LOCKING,HEXAGON
THREAD CLASS3B
THREAD QUANTITY PER INCH14
MATERIALSTEEL NUT
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M45913/3-7CG5-MAG?
M45913/3-7CG5-MAG is a NUT,SELF-LOCKING,HEXAGON.
What is the NSN for M45913/3-7CG5-MAG?
M45913/3-7CG5-MAG is cataloged in the U.S. Government catalog under NSN 5310-01-656-6729. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.