PartsTable
Technical Data Sheet

MIL-DTL-45913/1 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

MIL-DTL-45913/1: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGONHEXAGON, nut_height: 0.133 INCHES MINIMUM AND 0.133 INCHES MINIMUM AND 0.153 INCHES MAXIMUM0.153 INCHES MAXIMUM IN, nut_length: 0.268 INCHES NOMINAL0.268 INCHES NOMINAL IN, thread_class: 2B2B, thread_series: UNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the U.S.

Government catalog under NSN 5310-00-057-7080, 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
MIL-DTL-45913/1
NSN: 5310-00-057-7080
NIINs: 000577080, 000679507, 000874652, 000881251, 001121385, 001365606, 001436102, 001436145, 001658303, 001712444, 001766267, 001766271, 001997736, 002053026, 002256408, 002256992, 002256993, 002694040, 004510097, 005755329, 008111377, 008975940, 009133366, 009146028, 009273877, 009291807, 009597600, 009651820, 009843806, 009843807, 010170694, 011827700, 012560415, 012813396, 013103967, 014408710, 014605531, 014610118, 014610174, 014612846, 014613083, 014615992, 014616024, 014616210, 014616717, 014625300, 014625306, 014626170, 014920928, 014949745, 014959634, 015050243, 015050245, 015050247, 015087945, 015098656, 015098658, 015098660, 015129061, 015129062, 015163969, 015211748, 015357019, 015550860, 015711429, 016173339, 016727127, 017136340, 017220599
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 OVERALL
nut_styleHEXAGONHEXAGON
nut_height0.133 INCHES MINIMUM AND 0.133 INCHES MINIMUM AND 0.153 INCHES MAXIMUM0.153 INCHES MAXIMUM IN
nut_length0.268 INCHES NOMINAL0.268 INCHES NOMINAL IN
thread_class2B2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC)
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERTPREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HANDRIGHT-HAND
surface_treatmentZINC OVERALL
width_across_flats0.243 INCHES MINIMUM AND 0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM0.251 INCHES MAXIMUM IN
nominal_thread_size0.073 INCHES0.073 INCHES IN
bearing_surface_typeCHAMFEREDCHAMFERED
NSN5310-00-057-7080
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MIL-DTL-45913/1 · 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
•
LUBRICATION: DRY FILM LUBRICANT
•
WIDTH ACROSS FLATS: 0.616 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
•
BEARING SURFACE FINISH: 125.0 MICROINCHES
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
•
THREAD SERIES: UNF
•
TEMP RATING: 250.0 FAHRENHEIT NOMINAL DEGF
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAEJ995, GR 5 ASSN STD SINGLE MATERIAL RESPONSE NUT
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
LUBRICATIONDRY FILM LUBRICANT
WIDTH ACROSS FLATS0.616 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
BEARING SURFACE FINISH125.0 MICROINCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
THREAD SERIESUNF
TEMP RATING250.0 FAHRENHEIT NOMINAL DEGF
MATERIAL DOCUMENT AND CLASSIFICATIONSAEJ995, GR 5 ASSN STD SINGLE MATERIAL RESPONSE NUT
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.438 INCHES IN
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
SUBSTITUTES & CROSS-REFERENCES 4
10327Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS51922-29Reference document
Same NSN cross-reference
Reference document — Secondary reference
M45913/1-7FG5CSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5310000577080Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MIL-DTL-45913/1?
MIL-DTL-45913/1 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace MIL-DTL-45913/1?
There are 4 known substitutes for MIL-DTL-45913/1: 10327, MS51922-29, M45913/1-7FG5C and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-DTL-45913/1?
MIL-DTL-45913/1 is cataloged in the U.S. Government catalog under NSN 5310-00-057-7080. 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.