PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN505C10R8Screw,machine

Aeronautical Standards Group Dept of Navy and Air Force · NSN 5305-01-344-7866 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-344-7866 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-344-7866. Primary manufacturer part number: AN505C10R8.
Features
  • Screw,machine — FSC 5305
  • Head Style: FLAT COUNTERSUNK
  • Nominal Thread Diameter: 0.190 INCHES IN
  • Countersink Angle: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
  • Internal Drive Style: CROSS RECESS TYPE 1
  • Head Diameter: 0.348 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
  • Thread Class: 2A A
  • Screw Material: STEEL COMP 403 OR STEEL COMP 303 OR STEEL COMP 303SE
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-344-7866, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Aeronautical Standards Group Dept of Navy and Air Force. 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-344-7866
Primary Part NumberAN505C10R8
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerAeronautical Standards Group Dept of Navy and Air Force
StatusACTIVE
Head StyleFLAT COUNTERSUNK
Nominal Thread Diameter0.190 INCHES IN
Countersink Angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
Internal Drive StyleCROSS RECESS TYPE 1
Head Diameter0.348 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
Thread Class2A A
Screw MaterialSTEEL COMP 403 OR STEEL COMP 303 OR STEEL COMP 303SE
Thread Quantity Per Inch24
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Fastener Length0.500 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-00-701-5074MS51959-63 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
AN505C10R8 Aeronautical Standards Group Dept of Navy and Air Force (USA)
Related Parts
5305-00-701-5074INTERCHANGEABLE
SCREW,MACHINE
MS51959-63

Frequently Asked Questions

What is NSN 5305-01-344-7866?

NSN 5305-01-344-7866 is a Screw,machine, manufactured by Aeronautical Standards Group Dept of Navy and Air Force, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-344-7866?

NSN 5305-01-344-7866 has 1 cross-referenced part number: AN505C10R8 (Aeronautical Standards Group Dept of Navy and Air Force).

What NSN replaces 5305-01-344-7866?

There is 1 known substitute for 5305-01-344-7866: 5305-00-701-5074. Verify interchangeability with system specifications before substitution.

What are the specifications of AN505C10R8?

Key specifications for AN505C10R8: Head Style: FLAT COUNTERSUNK; Nominal Thread Diameter: 0.190 INCHES IN; Countersink Angle: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM; Internal Drive Style: CROSS RECESS TYPE 1. 11 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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