PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN520C10R8Screw,machine

Aeronautical Standards Group Dept of Navy and Air Force · NSN 5305-00-281-8523 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-281-8523 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-281-8523. Primary manufacturer part number: AN520C10R8.
Features
  • Screw,machine — FSC 5305
  • Fastener Length: 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
  • Head Diameter: 0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
  • Screw Surface Treatment: PASSIVATE
  • Thread Direction: RIGHT-HAND
  • Head Style: ROUND
  • Screw Material Document and Classification: QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR MIL-S-7720 MIL SPEC 2ND MATERIAL RESPONSE
  • Internal Drive Style: SLOT
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-281-8523, 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 14 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-281-8523
Primary Part NumberAN520C10R8
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerAeronautical Standards Group Dept of Navy and Air Force
StatusACTIVE
Fastener Length0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Head Diameter0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
Screw Surface TreatmentPASSIVATE
Thread DirectionRIGHT-HAND
Head StyleROUND
Screw Material Document and ClassificationQQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR MIL-S-7720 MIL SPEC 2ND MATERIAL RESPONSE
Internal Drive StyleSLOT
Thread Series DesignatorUNF
Thread Quantity Per Inch32
Head Height0.137 INCHES MAXIMUM IN
Thread Length0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Screw MaterialSTEEL COMP 430 OR STEEL COMP 302
Thread Class2A A
Nominal Thread Diameter0.190 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5305-00-059-36592003-0015-3 INTERCHANGEABLE
Screw,machine
Wells-Gardner Electronics Corp
5305-00-282-4328 INTERCHANGEABLE
Screw,machine
Cross-Reference Index
Part NumberManufacturer
AN520C10R8 Aeronautical Standards Group Dept of Navy and Air Force (USA)
FFS92ANDTYPE3ANDSTYLE1C Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5305-00-059-3659INTERCHANGEABLE
SCREW,MACHINE
2003-0015-3
5305-00-282-4328INTERCHANGEABLE
SCREW,MACHINE

Frequently Asked Questions

What is NSN 5305-00-281-8523?

NSN 5305-00-281-8523 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 5305-00-281-8523?

NSN 5305-00-281-8523 has 2 cross-referenced part numbers: AN520C10R8 (Aeronautical Standards Group Dept of Navy and Air Force), FFS92ANDTYPE3ANDSTYLE1C (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5305-00-281-8523?

There are 2 known substitutes for 5305-00-281-8523: 5305-00-059-3659, 5305-00-282-4328. Verify interchangeability with system specifications before substitution.

What are the specifications of AN520C10R8?

Key specifications for AN520C10R8: Fastener Length: 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Head Diameter: 0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN; Screw Surface Treatment: PASSIVATE; Thread Direction: RIGHT-HAND. 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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