PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

688-1864 APPX 1Screw,cap,hexagon Head

Huntington Ingalls Inc Div Newport News Shipbuilding · NSN 5305-01-212-7009 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-212-7009 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-212-7009. Primary manufacturer part number: 688-1864 APPX 1.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • 3 verified cross-references
  • Primary manufacturer: Huntington Ingalls Inc Div Newport News Shipbuilding
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-212-7009, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-212-7009
Primary Part Number688-1864 APPX 1
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerHuntington Ingalls Inc Div Newport News Shipbuilding
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5305-01-212-8146 INTERCHANGEABLE
Screw,cap,hexagon Head
5305-01-212-9274 INTERCHANGEABLE
Screw,cap,hexagon Head
Cross-Reference Index
Part NumberManufacturer
688-1864 APPX 1 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
0.625-11UNC-2AX2.000 LEVEL 1 Naval Inventory Control Point Mechanicsburg (USA)
688-1864 APPX 1 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
5305-01-212-8146INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-01-212-9274INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD

Frequently Asked Questions

What is NSN 5305-01-212-7009?

NSN 5305-01-212-7009 is a Screw,cap,hexagon Head, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-212-7009?

NSN 5305-01-212-7009 has 3 cross-referenced part numbers: 688-1864 APPX 1 (Huntington Ingalls Inc Div Newport News Shipbuilding), 0.625-11UNC-2AX2.000 LEVEL 1 (Naval Inventory Control Point Mechanicsburg), 688-1864 APPX 1 (Electric Boat Corporation Div General Dynamics Electric Boat).

What NSN replaces 5305-01-212-7009?

There are 2 known substitutes for 5305-01-212-7009: 5305-01-212-8146, 5305-01-212-9274. Verify interchangeability with system specifications before substitution.

What are the specifications of 688-1864 APPX 1?

Key specifications for 688-1864 APPX 1: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS. 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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