PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0.500-13UNC-2AX2.50 LONGScrew,cap,hexagon Head

Naval Sea Systems Command · NSN 5305-01-654-1884 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-654-1884 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-654-1884. Primary manufacturer part number: 0.500-13UNC-2AX2.50 LONG.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Thread Class: 2A A
  • Nominal Thread Diameter: 0.500 INCHES IN
  • Thread Quantity Per Inch: 13
  • Fastener Length: 2.500 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • 3 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-654-1884, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 6 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
NSN5305-01-654-1884
Primary Part Number0.500-13UNC-2AX2.50 LONG
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Class2A A
Nominal Thread Diameter0.500 INCHES IN
Thread Quantity Per Inch13
Fastener Length2.500 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5307-01-166-7137 INTERCHANGEABLE
Stud,continuous Thread
5305-01-300-3973 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-01-656-3859516-5486658 ITEM 15 INTERCHANGEABLE
Screw,cap,hexagon Head
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
0.500-13UNC-2AX2.50 LONG Naval Sea Systems Command (USA)
MIL-DTL-1222 TY1 GR500 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
111-8500406 ITEM 7 Naval Sea Systems Command (USA)
Related Parts
5307-01-166-7137INTERCHANGEABLE
STUD,CONTINUOUS THREAD
5305-01-300-3973INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-01-656-3859INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
516-5486658 ITEM 15

Frequently Asked Questions

What is NSN 5305-01-654-1884?

NSN 5305-01-654-1884 is a Screw,cap,hexagon Head, manufactured by Naval Sea Systems Command, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-654-1884?

NSN 5305-01-654-1884 has 3 cross-referenced part numbers: 0.500-13UNC-2AX2.50 LONG (Naval Sea Systems Command), MIL-DTL-1222 TY1 GR500 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 111-8500406 ITEM 7 (Naval Sea Systems Command).

What NSN replaces 5305-01-654-1884?

There are 3 known substitutes for 5305-01-654-1884: 5307-01-166-7137, 5305-01-300-3973, 5305-01-656-3859. Verify interchangeability with system specifications before substitution.

What are the specifications of 0.500-13UNC-2AX2.50 LONG?

Key specifications for 0.500-13UNC-2AX2.50 LONG: End Item Identification: FC-160 SUPERSTRUCTURE, EXTERIOR; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Thread Class: 2A A; Nominal Thread Diameter: 0.500 INCHES IN. 7 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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