PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AESC1F190750DG5M31Screw,machine

The American Society of Mechanical Engineers · NSN 5305-01-680-0667 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-680-0667 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-680-0667. Primary manufacturer part number: AESC1F190750DG5M31.
Features
  • Screw,machine — FSC 5305
  • Thread Series Designator: UNF
  • Countersink Angle: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
  • Internal Drive Style: CROSS RECESS TYPE 1
  • Screw Material Document and Classification: ASTM F835,QUENCHED AND TEMPERED ALLOY STEEL ASSN STD SINGLE MATERIAL RESPONSE
  • Head Diameter: 0.340 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 32
  • Thread Length: 0.630 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-680-0667, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-680-0667
Primary Part NumberAESC1F190750DG5M31
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerThe American Society of Mechanical Engineers
StatusACTIVE
Thread Series DesignatorUNF
Countersink Angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
Internal Drive StyleCROSS RECESS TYPE 1
Screw Material Document and ClassificationASTM F835,QUENCHED AND TEMPERED ALLOY STEEL ASSN STD SINGLE MATERIAL RESPONSE
Head Diameter0.340 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
Thread Quantity Per Inch32
Thread Length0.630 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Screw Surface Treatment Document and ClassificationASTM F2833,GRADE 1 ASSN STD SINGLE TREATMENT RESPONSE
Specification/standard Data05047-ASME B18.24-2015 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Head Height0.116 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Class2A A
Nominal Thread Diameter0.1900 INCHES IN
Fastener Length0.750 INCHES NOMINAL IN
Head StyleFLAT COUNTERSUNK
Screw MaterialSTEEL
Screw Surface TreatmentZINC AND ALUMINUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-059-8256 INTERCHANGEABLE
Screw,machine
5305-00-206-3713 INTERCHANGEABLE
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5350-00-255-7736706 INTERCHANGEABLE
Wool,metallic
Palmer Engineered Products, Inc
5310-00-550-1598 INTERCHANGEABLE
Nut,plain,hexagon
5305-00-579-2097 INTERCHANGEABLE
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5305-00-637-4506 INTERCHANGEABLE
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5305-00-950-4353 INTERCHANGEABLE
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5305-00-958-5247101139 INTERCHANGEABLE
Screw,machine
Hillman Group, Inc., the
5305-00-958-5250101146 INTERCHANGEABLE
Screw,machine
Hillman Group, Inc., the
5305-00-958-5471101077 INTERCHANGEABLE
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Hillman Group, Inc., the
Cross-Reference Index
Part NumberManufacturer
AESC1F190750DG5M31 PRIMARY The American Society of Mechanical Engineers (USA)
ANSI B18.6.3 The American Society of Mechanical Engineers (USA)
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Frequently Asked Questions

What is NSN 5305-01-680-0667?

NSN 5305-01-680-0667 is a Screw,machine, manufactured by The American Society of Mechanical Engineers, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-680-0667?

NSN 5305-01-680-0667 has 2 cross-referenced part numbers: AESC1F190750DG5M31 (The American Society of Mechanical Engineers), ANSI B18.6.3 (The American Society of Mechanical Engineers).

What NSN replaces 5305-01-680-0667?

There are 12 known substitutes for 5305-01-680-0667: 5305-00-059-8256, 5305-00-206-3713, 5350-00-255-7736 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AESC1F190750DG5M31?

Key specifications for AESC1F190750DG5M31: Thread Series Designator: UNF; Countersink Angle: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM; Internal Drive Style: CROSS RECESS TYPE 1; Screw Material Document and Classification: ASTM F835,QUENCHED AND TEMPERED ALLOY STEEL ASSN STD SINGLE MATERIAL RESPONSE. 19 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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