PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M45913/3-7FG8PNut,self-Locking,hexagon

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5310-00-933-7839 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-933-7839 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-933-7839. Primary manufacturer part number: M45913/3-7FG8P.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Thread Series: UNF
  • Thread Direction: RIGHT-HAND
  • Nut Height: 0.524 INCHES MAXIMUM IN
  • Width Across Flats: 0.675 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN
  • Nominal Thread Size: 0.438 INCHES IN
  • Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OR MIL-P-16232,TYPE Z,CLASS 2 MIL SPEC 2ND TREATMENT RESPONSE OVERALL EXCEPT INSERT
  • Lubrication: DRY FILM LUBRICANT
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Locking Insert construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-933-7839, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 17 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-933-7839
Primary Part NumberM45913/3-7FG8P
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Thread SeriesUNF
Thread DirectionRIGHT-HAND
Nut Height0.524 INCHES MAXIMUM IN
Width Across Flats0.675 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN
Nominal Thread Size0.438 INCHES IN
Surface Treatment Document and ClassificationQQ-P-416,TYPE 2,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OR MIL-P-16232,TYPE Z,CLASS 2 MIL SPEC 2ND TREATMENT RESPONSE OVERALL EXCEPT INSERT
LubricationDRY FILM LUBRICANT
MaterialPLASTIC LOCKING INSERT
Surface TreatmentCADMIUM OR PHOSPHATE ZINC OVERALL EXCEPT INSERT
Bearing Surface TypeCHAMFERED OR WASHER FACED
Temp Rating250.0 FAHRENHEIT NOMINAL DEGF
Thread Class3B
Nut StyleHEXAGON
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT
Hardness Rating26.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
Thread Quantity Per Inch20
MaterialSTEEL NUT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5310-00-241-6658 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-00-409-3333 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-509-2488 INTERCHANGEABLE
Nut,self-Locking,hexagon
Cross-Reference Index
Part NumberManufacturer
M45913/3-7FG8P Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-45913/3A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS51943-8 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5310-00-241-6658INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-00-409-3333INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-509-2488INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON

Frequently Asked Questions

What is NSN 5310-00-933-7839?

NSN 5310-00-933-7839 is a Nut,self-Locking,hexagon, manufactured by Military Specifications Promulgated by Military Departments/agencies 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 5310-00-933-7839?

NSN 5310-00-933-7839 has 3 cross-referenced part numbers: M45913/3-7FG8P (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-45913/3A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS51943-8 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5310-00-933-7839?

There are 3 known substitutes for 5310-00-933-7839: 5310-00-241-6658, 5310-00-409-3333, 5310-01-509-2488. Verify interchangeability with system specifications before substitution.

What are the specifications of M45913/3-7FG8P?

Key specifications for M45913/3-7FG8P: Thread Series: UNF; Thread Direction: RIGHT-HAND; Nut Height: 0.524 INCHES MAXIMUM IN; Width Across Flats: 0.675 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN. 17 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com