PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS16228-3Nut,self-Locking,hexagon

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5310-00-584-7991 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-584-7991 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-584-7991. Primary manufacturer part number: MS16228-3.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Thread Quantity Per Inch: 16
  • Thread Direction: RIGHT-HAND
  • Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF
  • Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT
  • Nominal Thread Size: 0.375 INCHES IN
  • Nut Height: 0.391 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
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 5310-00-584-7991, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-584-7991
Primary Part NumberMS16228-3
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
StatusCANCELLED
Thread Quantity Per Inch16
Thread DirectionRIGHT-HAND
Temp Rating250.0 FAHRENHEIT NOMINAL DEGF
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT
Nominal Thread Size0.375 INCHES IN
Nut Height0.391 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
MaterialPLASTIC POLYAMIDE NYLON LOCKING INSERT
Nut StyleHEXAGON
Surface TreatmentPASSIVATE NUT
Width Across Flats0.675 INCHES MINIMUM AND 0.691 INCHES MAXIMUM IN
Thread Class3B
MaterialSTEEL NUT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5310-00-584-7990 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-00-584-7992 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-00-584-7993 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-00-727-522379NTU040 INTERCHANGEABLE
Nut,self-Locking,hexagon
Esna, Llc
5310-00-836-4310 INTERCHANGEABLE
Nut,self-Locking,hexagon
5970-01-279-3143016003149-005 INTERCHANGEABLE
Insulator,plate
Technical Wire Products, Llc Dba Twp
Cross-Reference Index
Part NumberManufacturer
MS16228-3 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
79NTU066 Harvard Industries Inc (USA)
M24129-4-6C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1610023 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
MILN24129-4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5310-00-584-7990INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-00-584-7992INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-00-584-7993INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-00-727-5223INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
79NTU040
5310-00-836-4310INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5970-01-279-3143INTERCHANGEABLE
INSULATOR,PLATE
016003149-005

Frequently Asked Questions

What is NSN 5310-00-584-7991?

NSN 5310-00-584-7991 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: cancelled.

What are the part numbers for NSN 5310-00-584-7991?

NSN 5310-00-584-7991 has 5 cross-referenced part numbers: MS16228-3 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 79NTU066 (Harvard Industries Inc), M24129-4-6C (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 1610023 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems), MILN24129-4 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5310-00-584-7991?

There are 6 known substitutes for 5310-00-584-7991: 5310-00-584-7990, 5310-00-584-7992, 5310-00-584-7993 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS16228-3?

Key specifications for MS16228-3: Thread Quantity Per Inch: 16; Thread Direction: RIGHT-HAND; Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF; Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-584-7991 still in active supply?

NSN 5310-00-584-7991 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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