PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18943Screw,cap,hexagon Head

Fastenal Company Dba Fastenal Co · NSN 5305-01-580-7642 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-580-7642 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-580-7642. Primary manufacturer part number: 18943.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Fastener Length: 2.000 INCHES NOMINAL IN
  • Surface Treatment: ZINC OVERALL
  • Thread Series Designator: UNF
  • Material: STEEL OVERALL
  • Color: YELLOW OVERALL
  • Head Style: HEXAGON
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-580-7642, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 9 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-580-7642
Primary Part Number18943
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenal Co
StatusACTIVE
Fastener Length2.000 INCHES NOMINAL IN
Surface TreatmentZINC OVERALL
Thread Series DesignatorUNF
MaterialSTEEL OVERALL
ColorYELLOW OVERALL
Head StyleHEXAGON
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch18
Nominal Thread Diameter0.563 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5950-00-658-345118943 INTERCHANGEABLE
Transformer,power
Unitron, Lp Dba Unitron Power Systems, Lp ; Atlas Marine Systems
9905-01-097-836818943 INTERCHANGEABLE
Plate,instruction
Kurz & Root Generator Company, Llc
4820-01-144-837418943 INTERCHANGEABLE
Cartridge,check Valve
Time Manufacturing Company Dba Time Manufacturing Company
5331-01-228-330818943 INTERCHANGEABLE
O-Ring
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
3020-01-415-2589S23425-004 INTERCHANGEABLE
Gear,bevel
B.w. Elliott Manufacturing Co., Llc
3010-01-415-3180S18943-503 INTERCHANGEABLE
Drive Unit,angle
B.w. Elliott Manufacturing Co., Llc
3010-01-415-4370S18943-502 INTERCHANGEABLE
Drive Unit,angle
B.w. Elliott Manufacturing Co., Llc
4730-01-416-0441S07984-003 INTERCHANGEABLE
Plug,pipe
B.w. Elliott Manufacturing Co., Llc
3010-01-440-5178S18943-501 INTERCHANGEABLE
Drive Unit,angle
B.w. Elliott Manufacturing Co., Llc
4030-01-505-811418943 INTERCHANGEABLE
Guy Attachment
R. M. Young Company Llc
Cross-Reference Index
Part NumberManufacturer
18943 PRIMARY Fastenal Company Dba Fastenal Co (USA)
12759-00944 PRIMARY Fastenal Company Dba Fastenal Co (USA)
Related Parts
5950-00-658-3451INTERCHANGEABLE
TRANSFORMER,POWER
18943
9905-01-097-8368INTERCHANGEABLE
PLATE,INSTRUCTION
18943
4820-01-144-8374INTERCHANGEABLE
CARTRIDGE,CHECK VALVE
18943
5331-01-228-3308INTERCHANGEABLE
O-RING
18943
3020-01-415-2589INTERCHANGEABLE
GEAR,BEVEL
S23425-004
3010-01-415-3180INTERCHANGEABLE
DRIVE UNIT,ANGLE
S18943-503
3010-01-415-4370INTERCHANGEABLE
DRIVE UNIT,ANGLE
S18943-502
4730-01-416-0441INTERCHANGEABLE
PLUG,PIPE
S07984-003
3010-01-440-5178INTERCHANGEABLE
DRIVE UNIT,ANGLE
S18943-501
4030-01-505-8114INTERCHANGEABLE
GUY ATTACHMENT
18943

Frequently Asked Questions

What is NSN 5305-01-580-7642?

NSN 5305-01-580-7642 is a Screw,cap,hexagon Head, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-580-7642?

NSN 5305-01-580-7642 has 2 cross-referenced part numbers: 18943 (Fastenal Company Dba Fastenal Co), 12759-00944 (Fastenal Company Dba Fastenal Co).

What NSN replaces 5305-01-580-7642?

There are 10 known substitutes for 5305-01-580-7642: 5950-00-658-3451, 9905-01-097-8368, 4820-01-144-8374 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18943?

Key specifications for 18943: End Item Identification: 2355-01-567-4930; MINE PROTECTED CLEARANCE VEHICLE A2; Fastener Length: 2.000 INCHES NOMINAL IN; Surface Treatment: ZINC OVERALL; Thread Series Designator: UNF. 10 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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