PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28221ADXScrew,cap,hexagon Head

Airdale Express Llc Div Airdale Express · NSN 5305-01-472-2192 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-472-2192 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-472-2192. Primary manufacturer part number: 28221ADX.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Width Between Flats: 0.250 INCHES NOMINAL IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 32
  • Head Style: HEXAGON
  • Head Height: 0.100 INCHES NOMINAL IN
  • Fastener Length: 0.500 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.164 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-472-2192, 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 10 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-472-2192
Primary Part Number28221ADX
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerAirdale Express Llc Div Airdale Express
StatusACTIVE
Width Between Flats0.250 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch32
Head StyleHEXAGON
Head Height0.100 INCHES NOMINAL IN
Fastener Length0.500 INCHES NOMINAL IN
Nominal Thread Diameter0.164 INCHES IN
Thread Class2A A
Thread DirectionRIGHT-HAND
Thread Length0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3830-00-076-182228221 INTERCHANGEABLE
Head Cylinder
Cnh Industrial America Llc Dba Cnh America
4810-00-302-427028221 INTERCHANGEABLE
Sleeve and Slide,directional Con
Hydro-Aire Aerospace Corp
5950-00-349-0729832864-1 INTERCHANGEABLE
Coil,electrical
Honeywell International, Inc Div Aerospace-Tucson
4810-01-068-388628928 INTERCHANGEABLE
Sleeve,directional Control Linea
Moog Inc. Dba Ampac-Isp Corp
5930-01-247-335428221 INTERCHANGEABLE
Switch,push
Dek Mfg Div Carp Industries Inc
Cross-Reference Index
Part NumberManufacturer
28221ADX Airdale Express Llc Div Airdale Express (USA)
28221 Federal Screw Products, Inc. (USA)
Related Parts
3830-00-076-1822INTERCHANGEABLE
HEAD CYLINDER
28221
4810-00-302-4270INTERCHANGEABLE
SLEEVE AND SLIDE,DIRECTIONAL CON
28221
5950-00-349-0729INTERCHANGEABLE
COIL,ELECTRICAL
832864-1
4810-01-068-3886INTERCHANGEABLE
SLEEVE,DIRECTIONAL CONTROL LINEA
28928
5930-01-247-3354INTERCHANGEABLE
SWITCH,PUSH
28221

Frequently Asked Questions

What is NSN 5305-01-472-2192?

NSN 5305-01-472-2192 is a Screw,cap,hexagon Head, 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 5305-01-472-2192?

NSN 5305-01-472-2192 has 2 cross-referenced part numbers: 28221ADX (Airdale Express Llc Div Airdale Express), 28221 (Federal Screw Products, Inc.).

What NSN replaces 5305-01-472-2192?

There are 5 known substitutes for 5305-01-472-2192: 3830-00-076-1822, 4810-00-302-4270, 5950-00-349-0729 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 28221ADX?

Key specifications for 28221ADX: Width Between Flats: 0.250 INCHES NOMINAL IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Thread Quantity Per Inch: 32; Head Style: HEXAGON. 10 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