PartsTable
Technical Data Sheet

M45913/3-8FS6 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

M45913/3-8FS6: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, nut_style: HEXAGONHEXAGON, thread_class: 3B3B, thread_series: UNFUNF, locking_feature: SELF-LOCKINGSELF-LOCKING, nominal_thread_size: 0.500 INCHES0.500 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-709-1489, 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
M45913/3-8FS6
NSN: 5310-01-709-1489
FSC: 5310 — Nuts and Washers
CAGE: Z0KE8 — INSITU PACIFIC PTY LTD (AUS)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
nut_styleHEXAGONHEXAGON
thread_class3B3B
thread_seriesUNFUNF
locking_featureSELF-LOCKINGSELF-LOCKING
nominal_thread_size0.500 INCHES0.500 INCHES IN
thread_quantity_per_inch2020
NSN5310-01-709-1489
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M45913/3-8FS6 · 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: UNFUNF
•
NOMINAL THREAD SIZE: 0.500 INCHES0.500 INCHES IN
•
LOCKING FEATURE: SELF-LOCKINGSELF-LOCKING
•
NUT STYLE: HEXAGONHEXAGON
•
THREAD CLASS: 3B3B
•
THREAD QUANTITY PER INCH: 2020
•
MATERIAL: STEEL COMP 316 OVERALL
TECHNICAL CHARACTERISTICS
THREAD SERIESUNFUNF
NOMINAL THREAD SIZE0.500 INCHES0.500 INCHES IN
LOCKING FEATURESELF-LOCKINGSELF-LOCKING
NUT STYLEHEXAGONHEXAGON
THREAD CLASS3B3B
THREAD QUANTITY PER INCH2020
MATERIALSTEEL COMP 316 OVERALL
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 M45913/3-8FS6?
M45913/3-8FS6 is a NUT,SELF-LOCKING,HEXAGON.
What is the NSN for M45913/3-8FS6?
M45913/3-8FS6 is cataloged in the U.S. Government catalog under NSN 5310-01-709-1489. 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.