PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

522C504009Screw,cap,hexagon Head

Northrop Grumman Systems Corporation Div Marine Systems · NSN 5305-01-413-2733 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-413-2733 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-413-2733. Primary manufacturer part number: 522C504009.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Fastener Length: 1.750 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 13
  • Nominal Thread Diameter: 0.500 INCHES IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Head Style: HEXAGON
  • 3 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation Div Marine Systems
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-413-2733, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Northrop Grumman Systems Corporation Div Marine Systems. Government technical data includes 5 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-413-2733
Primary Part Number522C504009
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Div Marine Systems
StatusACTIVE
Fastener Length1.750 INCHES NOMINAL IN
Thread Quantity Per Inch13
Nominal Thread Diameter0.500 INCHES IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-00-071-2070AES01C500A75AW9A91 INTERCHANGEABLE
Screw,cap,hexagon Head
The American Society of Mechanical Engineers
Cross-Reference Index
Part NumberManufacturer
522C504009 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
522C504-009 Northrop Grumman Systems Corporation (USA)
1134E01 FIND 186 Northrop Grumman Systems Corporation Div Marine Systems (USA)
Related Parts
5305-00-071-2070INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
AES01C500A75AW9A91

Frequently Asked Questions

What is NSN 5305-01-413-2733?

NSN 5305-01-413-2733 is a Screw,cap,hexagon Head, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-413-2733?

NSN 5305-01-413-2733 has 3 cross-referenced part numbers: 522C504009 (Northrop Grumman Systems Corporation Div Marine Systems), 522C504-009 (Northrop Grumman Systems Corporation), 1134E01 FIND 186 (Northrop Grumman Systems Corporation Div Marine Systems).

What NSN replaces 5305-01-413-2733?

There is 1 known substitute for 5305-01-413-2733: 5305-00-071-2070. Verify interchangeability with system specifications before substitution.

What are the specifications of 522C504009?

Key specifications for 522C504009: Fastener Length: 1.750 INCHES NOMINAL IN; Thread Quantity Per Inch: 13; Nominal Thread Diameter: 0.500 INCHES IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 5 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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