PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

73805Screw,machine

Fastenal Company Dba Fastenal Co · NSN 5305-01-693-1850 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-693-1850 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-693-1850. Primary manufacturer part number: 73805.
Features
  • Screw,machine — FSC 5305
  • Thread Class: 3A A
  • Width Across Flats: 0.0781 INCHES NOMINAL IN
  • Internal Drive Style: HEXAGON
  • Head Height: 0.090 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Thread Length: 0.13 INCHES MINIMUM AND 0.16 INCHES MAXIMUM IN
  • Head Style: FLAT COUNTERSUNK
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-693-1850, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5305-01-693-1850
Primary Part Number73805
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenal Co
StatusACTIVE
Thread Class3A A
Width Across Flats0.0781 INCHES NOMINAL IN
Internal Drive StyleHEXAGON
Head Height0.090 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Length0.13 INCHES MINIMUM AND 0.16 INCHES MAXIMUM IN
Head StyleFLAT COUNTERSUNK
Thread Series DesignatorUNRC
Head Diameter0.240 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
Screw MaterialSTEEL CORROSION RESISTING
Nominal Thread Diameter0.1250 INCHES IN
Thread Quantity Per Inch40
Fastener Length0.22 INCHES MINIMUM AND 0.25 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6625-01-198-5147 INTERCHANGEABLE
Test Set,electrical Power
Cross-Reference Index
Part NumberManufacturer
73805 PRIMARY Fastenal Company Dba Fastenal Co (USA)
Related Parts
6625-01-198-5147INTERCHANGEABLE
TEST SET,ELECTRICAL POWER

Frequently Asked Questions

What is NSN 5305-01-693-1850?

NSN 5305-01-693-1850 is a Screw,machine, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-693-1850?

NSN 5305-01-693-1850 has 1 cross-referenced part number: 73805 (Fastenal Company Dba Fastenal Co).

What NSN replaces 5305-01-693-1850?

There is 1 known substitute for 5305-01-693-1850: 6625-01-198-5147. Verify interchangeability with system specifications before substitution.

What are the specifications of 73805?

Key specifications for 73805: Thread Class: 3A A; Width Across Flats: 0.0781 INCHES NOMINAL IN; Internal Drive Style: HEXAGON; Head Height: 0.090 INCHES NOMINAL IN. 14 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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