PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0.62511UNC2A2.000T1G5SDCScrew,cap,hexagon Head

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 5305-01-212-8146 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-212-8146 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-212-8146. Primary manufacturer part number: 0.62511UNC2A2.000T1G5SDC.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Criticality Code Justification: ZZZY
  • 6 verified cross-references
  • Primary manufacturer: Electric Boat Corporation Div General Dynamics Electric Boat
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-212-8146, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 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
NSN5305-01-212-8146
Primary Part Number0.62511UNC2A2.000T1G5SDC
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-01-212-4571 INTERCHANGEABLE
Nut,plain,hexagon
5305-01-212-7009 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-01-212-9274 INTERCHANGEABLE
Screw,cap,hexagon Head
5307-01-337-2030 INTERCHANGEABLE
Stud,continuous Thread
Cross-Reference Index
Part NumberManufacturer
0.62511UNC2A2.000T1G5SDC Electric Boat Corporation Div General Dynamics Electric Boat (USA)
250-4856446 PC 210 Naval Ship Systems Command (USA)
688-1864 APPX 1 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
688-1864 Naval Ship Systems Command (USA)
0.625-11UNC-2A X 2.000 LEVEL 1 Naval Inventory Control Point Mechanicsburg (USA)
688-1864 APPX 1 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
Related Parts
5310-01-212-4571INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5305-01-212-7009INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-01-212-9274INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5307-01-337-2030INTERCHANGEABLE
STUD,CONTINUOUS THREAD

Frequently Asked Questions

What is NSN 5305-01-212-8146?

NSN 5305-01-212-8146 is a Screw,cap,hexagon Head, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-212-8146?

NSN 5305-01-212-8146 has 6 cross-referenced part numbers: 0.62511UNC2A2.000T1G5SDC (Electric Boat Corporation Div General Dynamics Electric Boat), 250-4856446 PC 210 (Naval Ship Systems Command), 688-1864 APPX 1 (Electric Boat Corporation Div General Dynamics Electric Boat), 688-1864 (Naval Ship Systems Command), 0.625-11UNC-2A X 2.000 LEVEL 1 (Naval Inventory Control Point Mechanicsburg) and 1 more.

What NSN replaces 5305-01-212-8146?

There are 4 known substitutes for 5305-01-212-8146: 5310-01-212-4571, 5305-01-212-7009, 5305-01-212-9274 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 0.62511UNC2A2.000T1G5SDC?

Key specifications for 0.62511UNC2A2.000T1G5SDC: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS; Criticality Code Justification: ZZZY. 2 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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