PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12Z58PC24Nut,plain,hexagon

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5310-00-221-4841 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-221-4841 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-221-4841. Primary manufacturer part number: 12Z58PC24.
Features
  • Nut,plain,hexagon — FSC 5310
  • Nut Height: 0.297 INCHES NOMINAL IN
  • Nut Style: HEXAGON
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Nominal Thread Size: 0.500 INCHES IN
  • Thread Quantity Per Inch: 13
  • Nondefinitive Spec/std Data: 4 TYPE AND A STYLE AND B STYLE AND 1 GRADE
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-221-4841, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-221-4841
Primary Part Number12Z58PC24
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Nut Height0.297 INCHES NOMINAL IN
Nut StyleHEXAGON
Bearing Surface TypeCHAMFERED OR WASHER FACED
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Size0.500 INCHES IN
Thread Quantity Per Inch13
Nondefinitive Spec/std Data4 TYPE AND A STYLE AND B STYLE AND 1 GRADE
Surface TreatmentZINC OVERALL
Thread Class2B
MaterialSTEEL OVERALL
Thread DirectionRIGHT-HAND
Width Across Flats0.788 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationQQ-Z-325,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-221-479350-2F4 INTERCHANGEABLE
Nut,plain,hexagon
Trailmobile Inc Sub of the Pullman Co
5310-00-221-4794 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-221-4845 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-221-4860 INTERCHANGEABLE
Nut,plain,hexagon
Cross-Reference Index
Part NumberManufacturer
12Z58PC24 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
MILB857TYPE4STYLEA0RBGRADE1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5310-00-221-4793INTERCHANGEABLE
NUT,PLAIN,HEXAGON
50-2F4
5310-00-221-4794INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-221-4845INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-221-4860INTERCHANGEABLE
NUT,PLAIN,HEXAGON

Frequently Asked Questions

What is NSN 5310-00-221-4841?

NSN 5310-00-221-4841 is a Nut,plain,hexagon, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-221-4841?

NSN 5310-00-221-4841 has 2 cross-referenced part numbers: 12Z58PC24 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), MILB857TYPE4STYLEA0RBGRADE1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5310-00-221-4841?

There are 4 known substitutes for 5310-00-221-4841: 5310-00-221-4793, 5310-00-221-4794, 5310-00-221-4845 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12Z58PC24?

Key specifications for 12Z58PC24: Nut Height: 0.297 INCHES NOMINAL IN; Nut Style: HEXAGON; Bearing Surface Type: CHAMFERED OR WASHER FACED; Thread Series: UNIFIED NATIONAL COARSE (UNC). 13 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