PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21024ADXScrew,machine

Airdale Express Llc Div Airdale Express · NSN 5305-01-339-7396 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-339-7396 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-339-7396. Primary manufacturer part number: 21024ADX.
Features
  • Screw,machine — FSC 5305
  • Head Height: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
  • Nominal Thread Diameter: 0.112 INCHES IN
  • Head Diameter: 0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
  • Thread Class: 2A A
  • Fastener Length: 0.420 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN
  • Screw Material: COPPER ALLOY
  • Head Style: PAN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-339-7396, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Airdale Express Llc Div Airdale Express. Government technical data includes 12 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-339-7396
Primary Part Number21024ADX
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerAirdale Express Llc Div Airdale Express
StatusACTIVE
Head Height0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Nominal Thread Diameter0.112 INCHES IN
Head Diameter0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
Thread Class2A A
Fastener Length0.420 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN
Screw MaterialCOPPER ALLOY
Head StylePAN
Internal Drive StyleCROSS RECESS TYPE II
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch40
Thread Length0.350 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5940-00-177-7973 INTERCHANGEABLE
Terminal,lug
5110-00-222-452211 INTERCHANGEABLE
Cutter,circle
General Tools Manufacturing Co., Llc.
5330-00-291-4013 INTERCHANGEABLE
Gasket
5330-00-308-082721024 INTERCHANGEABLE
Seal,nonmetallic Round Section
Elder Rubber Incorporated Dba Porter Seal Company
5360-00-323-1425 INTERCHANGEABLE
Spring,helical,compression
5950-00-645-365721024 INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
4730-00-908-3193 INTERCHANGEABLE
Clamp,hose
5340-01-032-306121024 INTERCHANGEABLE
Plug,vent
Rogerson Aircraft Equipment Group
5120-01-122-295621-024 INTERCHANGEABLE
Compressor,spring
Bosch Automotive Service Solutions Ltd
4730-01-127-0340 INTERCHANGEABLE
Sleeve,twin
Cross-Reference Index
Part NumberManufacturer
21024ADX Airdale Express Llc Div Airdale Express (USA)
21024 Federal Screw Products, Inc. (USA)
Related Parts
5940-00-177-7973INTERCHANGEABLE
TERMINAL,LUG
5110-00-222-4522INTERCHANGEABLE
CUTTER,CIRCLE
11
5330-00-291-4013INTERCHANGEABLE
GASKET
5330-00-308-0827INTERCHANGEABLE
SEAL,NONMETALLIC ROUND SECTION
21024
5360-00-323-1425INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5950-00-645-3657INTERCHANGEABLE
COIL,RADIO FREQUENCY
21024
4730-00-908-3193INTERCHANGEABLE
CLAMP,HOSE
5340-01-032-3061INTERCHANGEABLE
PLUG,VENT
21024
5120-01-122-2956INTERCHANGEABLE
COMPRESSOR,SPRING
21-024
4730-01-127-0340INTERCHANGEABLE
SLEEVE,TWIN
4720-01-152-2668INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
21024
5360-01-190-7217INTERCHANGEABLE
SPRING
WF2-1024

Frequently Asked Questions

What is NSN 5305-01-339-7396?

NSN 5305-01-339-7396 is a Screw,machine, manufactured by Airdale Express Llc Div Airdale Express, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-339-7396?

NSN 5305-01-339-7396 has 2 cross-referenced part numbers: 21024ADX (Airdale Express Llc Div Airdale Express), 21024 (Federal Screw Products, Inc.).

What NSN replaces 5305-01-339-7396?

There are 12 known substitutes for 5305-01-339-7396: 5940-00-177-7973, 5110-00-222-4522, 5330-00-291-4013 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21024ADX?

Key specifications for 21024ADX: Head Height: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.112 INCHES IN; Head Diameter: 0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN; Thread Class: 2A A. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com