PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

54390-C3Screw,cap,hexagon Head

L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. · NSN 5305-01-494-8220 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-494-8220 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-494-8220. Primary manufacturer part number: 54390-C3.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
  • Criticality Code Justification: ZZZY
  • 2 verified cross-references
  • Primary manufacturer: L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-494-8220, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-494-8220
Primary Part Number54390-C3
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerL3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
6680-00-235-6013811-1 INTERCHANGEABLE
Indicator,sight,liquid
Kaydon Custom Filtration Corporation
6210-00-295-23118-0111-200 INTERCHANGEABLE
Lens,light
Dialight Corporation
5330-00-435-52678-111-NO300-9 INTERCHANGEABLE
Retainer,packing
Parker-Hannifin Corp Div O-Ring Division
5905-00-470-9265 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
5120-00-541-3054 INTERCHANGEABLE
Wrench,ratchet
4720-00-672-2728134MDP1 INTERCHANGEABLE
Hose,preformed
Linde Material Handling North America Corporation
5330-00-818-05587748944 INTERCHANGEABLE
Seal,plain
U S Army Tank Automotive Command Amsta-Im-Mm
5970-00-832-8028RTV11-1GALCAN INTERCHANGEABLE
Insulating Compound,electrical
Momentive Performance Materials Inc.
5961-00-911-6015 INTERCHANGEABLE
Transistor
3830-01-157-3008 INTERCHANGEABLE
Tooth,surface Ripping
Cross-Reference Index
Part NumberManufacturer
54390-C3 L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA)
8-11-1 L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA)
Related Parts
6680-00-235-6013INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
811-1
6210-00-295-2311INTERCHANGEABLE
LENS,LIGHT
8-0111-200
5330-00-435-5267INTERCHANGEABLE
RETAINER,PACKING
8-111-NO300-9
5905-00-470-9265INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
5120-00-541-3054INTERCHANGEABLE
WRENCH,RATCHET
4720-00-672-2728INTERCHANGEABLE
HOSE,PREFORMED
134MDP1
5330-00-818-0558INTERCHANGEABLE
SEAL,PLAIN
7748944
5970-00-832-8028INTERCHANGEABLE
INSULATING COMPOUND,ELECTRICAL
RTV11-1GALCAN
5961-00-911-6015INTERCHANGEABLE
TRANSISTOR
3830-01-157-3008INTERCHANGEABLE
TOOTH,SURFACE RIPPING
5305-01-366-4867INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
54390-C3

Frequently Asked Questions

What is NSN 5305-01-494-8220?

NSN 5305-01-494-8220 is a Screw,cap,hexagon Head, manufactured by L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc., classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-494-8220?

NSN 5305-01-494-8220 has 2 cross-referenced part numbers: 54390-C3 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.), 8-11-1 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.).

What NSN replaces 5305-01-494-8220?

There are 11 known substitutes for 5305-01-494-8220: 6680-00-235-6013, 6210-00-295-2311, 5330-00-435-5267 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 54390-C3?

Key specifications for 54390-C3: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP 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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