PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS20341-4Nut,plain,hexagon

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5310-00-720-8392 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-720-8392 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-720-8392. Primary manufacturer part number: MS20341-4.
Features
  • Nut,plain,hexagon — FSC 5310
  • Surface Treatment: TIN OR SILVER OVERALL
  • Bearing Surface Type: CHAMFERED
  • Nominal Thread Size: 0.112 INCHES IN
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 40
  • Thread Class: 2B
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-720-8392, 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 11 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: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-720-8392
Primary Part NumberMS20341-4
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Surface TreatmentTIN OR SILVER OVERALL
Bearing Surface TypeCHAMFERED
Nominal Thread Size0.112 INCHES IN
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch40
Thread Class2B
Thread DirectionRIGHT-HAND
Nut Height0.087 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
Width Across Flats0.241 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
MaterialCOPPER ALLOY OVERALL
Nut StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5305-00-043-4551H2212PC31 INTERCHANGEABLE
Setscrew
Siemens Energy, Inc.
5305-00-514-7728 INTERCHANGEABLE
Screw,cap,socket Head
5305-00-545-8374 INTERCHANGEABLE
Screw,cap,socket Head
5305-00-577-546212378PCM326 INTERCHANGEABLE
Screw,cap,hexagon Head
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
5310-00-582-8444 INTERCHANGEABLE
Nut,plain,hexagon
5305-00-614-0245 INTERCHANGEABLE
Screw,machine
5310-00-619-5792 INTERCHANGEABLE
Nut,plain,hexagon
5305-00-639-0914 INTERCHANGEABLE
Screw,machine
5310-00-682-5834 INTERCHANGEABLE
Nut,plain,hexagon
5305-00-883-868960-19-6579 INTERCHANGEABLE
Screw,machine
Electric Boat Corporation Div General Dynamics Electric Boat
Cross-Reference Index
Part NumberManufacturer
MS20341-4 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MILS933 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS20341-4A Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5305-00-043-4551INTERCHANGEABLE
SETSCREW
H2212PC31
5305-00-514-7728INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-00-545-8374INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5305-00-577-5462INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
12378PCM326
5310-00-582-8444INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5305-00-614-0245INTERCHANGEABLE
SCREW,MACHINE
5310-00-619-5792INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5305-00-639-0914INTERCHANGEABLE
SCREW,MACHINE
5310-00-682-5834INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5305-00-883-8689INTERCHANGEABLE
SCREW,MACHINE
60-19-6579
5305-00-914-6150INTERCHANGEABLE
SCREW,MACHINE
MS35273-2
5310-00-934-9746INTERCHANGEABLE
NUT,PLAIN,HEXAGON
MS35649-245B

Frequently Asked Questions

What is NSN 5310-00-720-8392?

NSN 5310-00-720-8392 is a Nut,plain,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: cancelled.

What are the part numbers for NSN 5310-00-720-8392?

NSN 5310-00-720-8392 has 3 cross-referenced part numbers: MS20341-4 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MILS933 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS20341-4A (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5310-00-720-8392?

There are 12 known substitutes for 5310-00-720-8392: 5305-00-043-4551, 5305-00-514-7728, 5305-00-545-8374 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS20341-4?

Key specifications for MS20341-4: Surface Treatment: TIN OR SILVER OVERALL; Bearing Surface Type: CHAMFERED; Nominal Thread Size: 0.112 INCHES IN; Thread Series: UNIFIED NATIONAL COARSE (UNC). 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-720-8392 still in active supply?

NSN 5310-00-720-8392 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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