PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

38566Screw,cap,hexagon Head

Fastenal Company Dba Fastenal Co · NSN 5305-01-564-9877 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-564-9877 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-564-9877. Primary manufacturer part number: 38566.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Surface Treatment: ZINC OVERALL
  • Thread Series Designator: M
  • Material: STEEL OVERALL
  • Nominal Thread Diameter: 6.0 MILLIMETERS MM
  • Width Between Flats: 9.8 MILLIMETERS MINIMUM AND 10.0 MILLIMETERS MAXIMUM MM
  • Thread Pitch in Millimeters: 1.0
  • Head Style: HEXAGON
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 5305-01-564-9877, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-564-9877
Primary Part Number38566
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenal Co
StatusACTIVE
Surface TreatmentZINC OVERALL
Thread Series DesignatorM
MaterialSTEEL OVERALL
Nominal Thread Diameter6.0 MILLIMETERS MM
Width Between Flats9.8 MILLIMETERS MINIMUM AND 10.0 MILLIMETERS MAXIMUM MM
Thread Pitch in Millimeters1.0
Head StyleHEXAGON
Thread DirectionRIGHT-HAND
Head Height3.8 MILLIMETERS MINIMUM AND 4.1 MILLIMETERS MAXIMUM MM
Thread Length24.5 MILLIMETERS MINIMUM AND 25.4 MILLIMETERS MAXIMUM MM
Fastener Length25.4 MILLIMETERS MAXIMUM MM
External Thread Tolerance Class6G G
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5330-00-741-1883945837 INTERCHANGEABLE
Gasket
Am General Llc
5950-01-177-954428320-1 INTERCHANGEABLE
Transformer,power
Torotel, Inc. Div Torotel Products, Inc.
6680-01-200-180538566 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
38566 PRIMARY Fastenal Company Dba Fastenal Co (USA)
4466683005 Oshkosh Defense Llc (USA)
Related Parts
5330-00-741-1883INTERCHANGEABLE
GASKET
945837
5950-01-177-9544INTERCHANGEABLE
TRANSFORMER,POWER
28320-1
6680-01-200-1805INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
38566

Frequently Asked Questions

What is NSN 5305-01-564-9877?

NSN 5305-01-564-9877 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 5305-01-564-9877?

NSN 5305-01-564-9877 has 2 cross-referenced part numbers: 38566 (Fastenal Company Dba Fastenal Co), 4466683005 (Oshkosh Defense Llc).

What NSN replaces 5305-01-564-9877?

There are 3 known substitutes for 5305-01-564-9877: 5330-00-741-1883, 5950-01-177-9544, 6680-01-200-1805. Verify interchangeability with system specifications before substitution.

What are the specifications of 38566?

Key specifications for 38566: Surface Treatment: ZINC OVERALL; Thread Series Designator: M; Material: STEEL OVERALL; Nominal Thread Diameter: 6.0 MILLIMETERS MM. 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com