PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AES01C250A25WA6DG1Screw,cap,hexagon Head

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-01-649-9927 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-649-9927 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-649-9927. Primary manufacturer part number: AES01C250A25WA6DG1.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Surface Treatment: ZINC OVERALL
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Head Height: 0.172 INCHES NOMINAL IN
  • Thread Length: 1.250 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 20
  • Thread Class: 2A A
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-649-9927, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. 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
NSN5305-01-649-9927
Primary Part NumberAES01C250A25WA6DG1
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusACTIVE
Surface TreatmentZINC OVERALL
Nominal Thread Diameter0.250 INCHES IN
Head Height0.172 INCHES NOMINAL IN
Thread Length1.250 INCHES NOMINAL IN
Thread Quantity Per Inch20
Thread Class2A A
Thread DirectionRIGHT-HAND
Fastener Length1.400 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN
Width Between Flats0.438 INCHES NOMINAL IN
Head StyleHEXAGON
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-01-541-1273AES01C250A25WA6DG1 INTERCHANGEABLE
Screw,cap,hexagon Head
The American Society of Mechanical Engineers
Cross-Reference Index
Part NumberManufacturer
AES01C250A25WA6DG1 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
5305-01-541-1273INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
AES01C250A25WA6DG1

Frequently Asked Questions

What is NSN 5305-01-649-9927?

NSN 5305-01-649-9927 is a Screw,cap,hexagon Head, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-649-9927?

NSN 5305-01-649-9927 has 1 cross-referenced part number: AES01C250A25WA6DG1 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).

What NSN replaces 5305-01-649-9927?

There is 1 known substitute for 5305-01-649-9927: 5305-01-541-1273. Verify interchangeability with system specifications before substitution.

What are the specifications of AES01C250A25WA6DG1?

Key specifications for AES01C250A25WA6DG1: Surface Treatment: ZINC OVERALL; Nominal Thread Diameter: 0.250 INCHES IN; Head Height: 0.172 INCHES NOMINAL IN; Thread Length: 1.250 INCHES NOMINAL IN. 12 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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