PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

522C507-012Screw,cap,hexagon Head

Northrop Grumman Systems Corporation Div Marine Systems · NSN 5305-01-432-8261 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-432-8261 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-432-8261. Primary manufacturer part number: 522C507-012.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Criticality Code Justification: ZZZW
  • Departure From Cited Document: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP, ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
  • 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 5305-01-432-8261, 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 2 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-432-8261
Primary Part Number522C507-012
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Div Marine Systems
StatusACTIVE
Criticality Code JustificationZZZW
Departure From Cited DocumentMATERIAL WILL BE IN ACCORDANCE WITH NAVICP, ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5305-00-922-7994AES01C750B50AW9A91 INTERCHANGEABLE
Screw,cap,hexagon Head
The American Society of Mechanical Engineers
5305-01-597-0955 INTERCHANGEABLE
Screw,cap,hexagon Head
Cross-Reference Index
Part NumberManufacturer
522C507-012 Northrop Grumman Systems Corporation Div Marine Systems (USA)
1135E19FN188 Northrop Grumman Systems Corporation Div Marine Systems (USA)
0.75010UNC2A2.500T1G5SEM Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5305-00-922-7994INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
AES01C750B50AW9A91
5305-01-597-0955INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD

Frequently Asked Questions

What is NSN 5305-01-432-8261?

NSN 5305-01-432-8261 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 5305-01-432-8261?

NSN 5305-01-432-8261 has 3 cross-referenced part numbers: 522C507-012 (Northrop Grumman Systems Corporation Div Marine Systems), 1135E19FN188 (Northrop Grumman Systems Corporation Div Marine Systems), 0.75010UNC2A2.500T1G5SEM (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5305-01-432-8261?

There are 2 known substitutes for 5305-01-432-8261: 5305-00-922-7994, 5305-01-597-0955. Verify interchangeability with system specifications before substitution.

What are the specifications of 522C507-012?

Key specifications for 522C507-012: Criticality Code Justification: ZZZW; Departure From Cited Document: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP, 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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