PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77107Screw,cap,hexagon Head

Fastenal Company Dba Fastenal Co · NSN 5305-01-618-3240 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-618-3240 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-618-3240. Primary manufacturer part number: 77107.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Direction: RIGHT-HAND
  • Thread Length: 1.21 INCHES MINIMUM AND 1.25 INCHES MAXIMUM IN
  • Thread Class: 2A A
  • Head Height: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
  • Chamfer Angle: 15.0 DEGREES MINIMUM AND 30.0 DEGREES MAXIMUM
  • Fastener Length: 1.21 INCHES MINIMUM AND 1.25 INCHES MAXIMUM IN
  • Head Style: HEXAGON
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-618-3240, 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 11 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-618-3240
Primary Part Number77107
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenal Co
StatusACTIVE
Thread DirectionRIGHT-HAND
Thread Length1.21 INCHES MINIMUM AND 1.25 INCHES MAXIMUM IN
Thread Class2A A
Head Height0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
Chamfer Angle15.0 DEGREES MINIMUM AND 30.0 DEGREES MAXIMUM
Fastener Length1.21 INCHES MINIMUM AND 1.25 INCHES MAXIMUM IN
Head StyleHEXAGON
Width Between Flats0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Thread Quantity Per Inch16
Nominal Thread Diameter0.375 INCHES IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
1285-00-051-65191440849 INTERCHANGEABLE
Correction Gearing
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5940-00-110-29757710-7 INTERCHANGEABLE
Terminal,stud
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
Cross-Reference Index
Part NumberManufacturer
77107 PRIMARY Fastenal Company Dba Fastenal Co (USA)
Related Parts
1285-00-051-6519INTERCHANGEABLE
CORRECTION GEARING
1440849
5940-00-110-2975INTERCHANGEABLE
TERMINAL,STUD
7710-7

Frequently Asked Questions

What is NSN 5305-01-618-3240?

NSN 5305-01-618-3240 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 5305-01-618-3240?

NSN 5305-01-618-3240 has 1 cross-referenced part number: 77107 (Fastenal Company Dba Fastenal Co).

What NSN replaces 5305-01-618-3240?

There are 2 known substitutes for 5305-01-618-3240: 1285-00-051-6519, 5940-00-110-2975. Verify interchangeability with system specifications before substitution.

What are the specifications of 77107?

Key specifications for 77107: Thread Direction: RIGHT-HAND; Thread Length: 1.21 INCHES MINIMUM AND 1.25 INCHES MAXIMUM IN; Thread Class: 2A A; Head Height: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN. 13 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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