PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-45913Nut,self-Locking,hexagon

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5310-01-231-7459 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-231-7459 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-231-7459. Primary manufacturer part number: MIL-DTL-45913.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Nut Height: 0.427 INCHES MINIMUM AND 0.609 INCHES MAXIMUM IN
  • Nut Style: HEXAGON
  • Thread Direction: RIGHT-HAND
  • Material: PLASTIC POLYAMIDE NYLON LOCKING INSERT
  • Nominal Thread Size: 0.500 INCHES IN
  • Width Across Flats: 0.736 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 13
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Polyamide Nylon Locking Insert construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-231-7459, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-231-7459
Primary Part NumberMIL-DTL-45913
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Nut Height0.427 INCHES MINIMUM AND 0.609 INCHES MAXIMUM IN
Nut StyleHEXAGON
Thread DirectionRIGHT-HAND
MaterialPLASTIC POLYAMIDE NYLON LOCKING INSERT
Nominal Thread Size0.500 INCHES IN
Width Across Flats0.736 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN
Thread Quantity Per Inch13
Bearing Surface TypeCHAMFERED
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Temp Rating250.0 FAHRENHEIT MAXIMUM DEGF
Surface Treatment Document and ClassificationDOD-P-16232,TY Z,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE NUT
Surface TreatmentPHOSPHATE NUT
MaterialSTEEL NUT
Thread Class3B
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-935-3750 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-032-2319 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-253-0058 INTERCHANGEABLE
Nut,self-Locking,extended Washer
5310-01-374-0508 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-461-4610 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-514-0441 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-518-7597 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-522-0301 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-531-7280 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-535-8822 INTERCHANGEABLE
Nut,self-Locking,hexagon
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-45913 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS51943-9 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
M45913/3-8CG8P Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5310-00-935-3750INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-032-2319INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-253-0058INTERCHANGEABLE
NUT,SELF-LOCKING,EXTENDED WASHER
5310-01-374-0508INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-461-4610INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-514-0441INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-518-7597INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-522-0301INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-531-7280INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-535-8822INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-548-1269INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-570-7523INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON

Frequently Asked Questions

What is NSN 5310-01-231-7459?

NSN 5310-01-231-7459 is a Nut,self-Locking,hexagon, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-231-7459?

NSN 5310-01-231-7459 has 3 cross-referenced part numbers: MIL-DTL-45913 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS51943-9 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), M45913/3-8CG8P (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5310-01-231-7459?

There are 12 known substitutes for 5310-01-231-7459: 5310-00-935-3750, 5310-01-032-2319, 5310-01-253-0058 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-45913?

Key specifications for MIL-DTL-45913: Nut Height: 0.427 INCHES MINIMUM AND 0.609 INCHES MAXIMUM IN; Nut Style: HEXAGON; Thread Direction: RIGHT-HAND; Material: PLASTIC POLYAMIDE NYLON LOCKING INSERT. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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