PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN526C1032R12Screw,machine

Aeronautical Standards Group Dept of Navy and Air Force · NSN 5305-00-282-6251 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-282-6251 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-282-6251. Primary manufacturer part number: AN526C1032R12.
Features
  • Screw,machine — FSC 5305
  • Head Diameter: 0.425 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
  • Thread Class: 2A A
  • Thread Length: 0.719 INCHES NOMINAL IN
  • Fastener Length: 0.750 INCHES NOMINAL IN
  • Screw Surface Treatment: PASSIVATE
  • Thread Direction: RIGHT-HAND
  • Thread Series Designator: UNF
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-282-6251, 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 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: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-282-6251
Primary Part NumberAN526C1032R12
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerAeronautical Standards Group Dept of Navy and Air Force
StatusCANCELLED
Head Diameter0.425 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
Thread Class2A A
Thread Length0.719 INCHES NOMINAL IN
Fastener Length0.750 INCHES NOMINAL IN
Screw Surface TreatmentPASSIVATE
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNF
Nominal Thread Diameter0.190 INCHES IN
Internal Drive StyleCROSS RECESS TYPE 1
Screw MaterialSTEEL CORROSION RESISTING
Thread Quantity Per Inch32
Minimum Tensile Strength125000 POUNDS PER SQUARE INCH LBS
Head StyleBUTTON
Head Height0.118 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5305-00-059-3661MS51958-65 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-993-1848MS35207-265 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
AN526C1032R12 Aeronautical Standards Group Dept of Navy and Air Force (USA)
Related Parts
5305-00-059-3661INTERCHANGEABLE
SCREW,MACHINE
MS51958-65
5305-00-993-1848INTERCHANGEABLE
SCREW,MACHINE
MS35207-265

Frequently Asked Questions

What is NSN 5305-00-282-6251?

NSN 5305-00-282-6251 is a Screw,machine, manufactured by Aeronautical Standards Group Dept of Navy and Air Force, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-282-6251?

NSN 5305-00-282-6251 has 1 cross-referenced part number: AN526C1032R12 (Aeronautical Standards Group Dept of Navy and Air Force).

What NSN replaces 5305-00-282-6251?

There are 2 known substitutes for 5305-00-282-6251: 5305-00-059-3661, 5305-00-993-1848. Verify interchangeability with system specifications before substitution.

What are the specifications of AN526C1032R12?

Key specifications for AN526C1032R12: Head Diameter: 0.425 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN; Thread Class: 2A A; Thread Length: 0.719 INCHES NOMINAL IN; Fastener Length: 0.750 INCHES NOMINAL IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-282-6251 still in active supply?

NSN 5305-00-282-6251 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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