PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

54343-C5Screw,machine

L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. · NSN 5305-01-494-0439 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-494-0439 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-494-0439. Primary manufacturer part number: 54343-C5.
Features
  • Screw,machine — FSC 5305
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH ACTIVITY HX QUALITY CONTROL,
  • 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,machine, cataloged under National Stock Number 5305-01-494-0439, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-494-0439
Primary Part Number54343-C5
Item NameScrew,machine
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 ACTIVITY HX QUALITY CONTROL,
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5910-00-070-47302115988 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5935-00-295-31295262 INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
6760-00-433-5007 INTERCHANGEABLE
Lens,camera,general Photographic
5950-00-519-7971598 INTERCHANGEABLE
Transformer,power
Edwards Signaling and Security Systems a Part of Ge Security
5975-00-557-2531BU-87-2 INTERCHANGEABLE
Cable Nipple,electrical
Mueller Electric Company, Inc. Div Mueller Electric Company
5120-00-562-7349 INTERCHANGEABLE
Wrench,spanner
5120-00-621-5062253755 INTERCHANGEABLE
Handle
Honeywell International Inc. Div Aerospace - Torrance
5960-00-702-0015 INTERCHANGEABLE
Electron Tube
5940-00-880-3222008-0521-000 INTERCHANGEABLE
Terminal,lug
Daystar Mfg Co Inc
5940-01-051-6939A602 INTERCHANGEABLE
Terminal,quick Disconnect
Electro-Term, Inc. Dba Electro Term Inc
Cross-Reference Index
Part NumberManufacturer
54343-C5 L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA)
8-7-2 L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA)
Related Parts
5910-00-070-4730INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
2115988
5935-00-295-3129INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5262
6760-00-433-5007INTERCHANGEABLE
LENS,CAMERA,GENERAL PHOTOGRAPHIC
5950-00-519-7971INTERCHANGEABLE
TRANSFORMER,POWER
598
5975-00-557-2531INTERCHANGEABLE
CABLE NIPPLE,ELECTRICAL
BU-87-2
5120-00-562-7349INTERCHANGEABLE
WRENCH,SPANNER
5120-00-621-5062INTERCHANGEABLE
HANDLE
253755
5960-00-702-0015INTERCHANGEABLE
ELECTRON TUBE
5940-00-880-3222INTERCHANGEABLE
TERMINAL,LUG
008-0521-000
5940-01-051-6939INTERCHANGEABLE
TERMINAL,QUICK DISCONNECT
A602
8030-01-120-8753INTERCHANGEABLE
FILLER,DENT,METAL SURFACE
11801
5998-01-187-8219INTERCHANGEABLE
RETAINER-EJECTOR,ELECTRICAL CARD
805459-1

Frequently Asked Questions

What is NSN 5305-01-494-0439?

NSN 5305-01-494-0439 is a Screw,machine, 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 5305-01-494-0439?

NSN 5305-01-494-0439 has 2 cross-referenced part numbers: 54343-C5 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.), 8-7-2 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.).

What NSN replaces 5305-01-494-0439?

There are 12 known substitutes for 5305-01-494-0439: 5910-00-070-4730, 5935-00-295-3129, 6760-00-433-5007 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 54343-C5?

Key specifications for 54343-C5: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH ACTIVITY HX QUALITY CONTROL,; 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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