PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19050ADXScrew,machine

Airdale Express Llc Div Airdale Express · NSN 5305-00-984-6221 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-984-6221 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-984-6221. Primary manufacturer part number: 19050ADX.
Features
  • Screw,machine — FSC 5305
  • Minimum Tensile Strength: 60000 POUNDS PER SQUARE INCH LBS
  • Fastener Length: 1.000 INCHES NOMINAL IN
  • Thread Length: 0.938 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
  • Nominal Thread Diameter: 0.138 INCHES IN
  • Internal Drive Style: CROSS RECESS TYPE 1
  • Head Diameter: 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
  • Head Style: PAN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-984-6221, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 25 commercial cross-references from 20 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-984-6221
Primary Part Number19050ADX
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerAirdale Express Llc Div Airdale Express
StatusCANCELLED
Minimum Tensile Strength60000 POUNDS PER SQUARE INCH LBS
Fastener Length1.000 INCHES NOMINAL IN
Thread Length0.938 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
Nominal Thread Diameter0.138 INCHES IN
Internal Drive StyleCROSS RECESS TYPE 1
Head Diameter0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Head StylePAN
Screw Surface Treatment Document and ClassificationQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread DirectionRIGHT-HAND
Head Height0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
Screw Surface TreatmentCADMIUM AND CHROMATE
Thread Class2A A
Thread Quantity Per Inch32
Screw MaterialSTEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1013
Screw Material Document and Classification66 FED STD ALL MATERIAL RESPONSES
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5855-00-446-592113206E7654 INTERCHANGEABLE
Block Adjustment
Chief of Engineers Dept of Army
5945-00-480-2059 INTERCHANGEABLE
Relay,special
5305-00-505-2719LS15262V06-7 INTERCHANGEABLE
Screw,machine
Lockheed Martin Corp
5841-00-610-193625933 INTERCHANGEABLE
Coupler
Raytheon Company Dba Raytheon
5985-00-730-3148CW-444/ARN-59 INTERCHANGEABLE
Radome
Joint Electronics Type Designation System
5355-00-741-24887412488 INTERCHANGEABLE
Knob
U S Army Tank Automotive Command Amsta-Im-Mm
5935-00-811-7190 INTERCHANGEABLE
Socket,plug-in Electronic Compon
5996-01-028-2078A2238 INTERCHANGEABLE
Amplifier,radio Frequency
Frequency Electronics Inc
5930-01-041-2357A2238 INTERCHANGEABLE
Switch,liquid Level
Setra Systems, Inc. Dba Gems Sensors
4820-01-278-74002238 INTERCHANGEABLE
Seat,valve
Automatic Valve Corp. Dba Automatic Valve Nuclear
Cross-Reference Index
Part NumberManufacturer
19050ADX Airdale Express Llc Div Airdale Express (USA)
55-0206-34 Grimes Aerospace Company (USA)
4177200-95 Zf Industrieantriebe Witten Gmbh (DEU)
AN515-6-16 Aeronautical Standards Group Dept of Navy and Air Force (USA)
1881900414 Navcom Defense Electronics, Inc. (USA)
415 514 Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company (USA)
N80P9016C6 Lockheed Martin Corporation Div Rms (USA)
10429006 Nimikkeistokeskus Ncb Finland (FIN)
AN515-6R16 Aeronautical Standards Group Dept of Navy and Air Force (USA)
FFS92TYPE1STYLE1S Federal Specifications Promulgated by General Services Administration Washington DC (USA)
655-644-93234 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
5305PL0759491 Jednolity Indeks Materialowy - Uniform Material Index (POL)
852754 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament (USA)
MS35206-234 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
BM11352-24-10 Demarkus Corp Refrigeration Engineering Corp (USA)
4040 Federal Screw Products, Inc. (USA)
MS24584-31 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
N80P13016C6 General Electric Company (USA)
822-1036 Cummins Power Generation Inc. (USA)
19050 Federal Screw Products, Inc. (USA)
Related Parts
5855-00-446-5921INTERCHANGEABLE
BLOCK ADJUSTMENT
13206E7654
5945-00-480-2059INTERCHANGEABLE
RELAY,SPECIAL
5305-00-505-2719INTERCHANGEABLE
SCREW,MACHINE
LS15262V06-7
5841-00-610-1936INTERCHANGEABLE
COUPLER
25933
5985-00-730-3148INTERCHANGEABLE
RADOME
CW-444/ARN-59
5355-00-741-2488INTERCHANGEABLE
KNOB
7412488
5935-00-811-7190INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
5996-01-028-2078INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
A2238
5930-01-041-2357INTERCHANGEABLE
SWITCH,LIQUID LEVEL
A2238
4820-01-278-7400INTERCHANGEABLE
SEAT,VALVE
2238
6210-01-317-4237INTERCHANGEABLE
LIGHT,INDICATOR
19-050.005
6615-01-376-4012INTERCHANGEABLE
GYROSCOPE,RATE
852754

Frequently Asked Questions

What is NSN 5305-00-984-6221?

NSN 5305-00-984-6221 is a Screw,machine, manufactured by Airdale Express Llc Div Airdale Express, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-984-6221?

NSN 5305-00-984-6221 has 25 cross-referenced part numbers: 19050ADX (Airdale Express Llc Div Airdale Express), 55-0206-34 (Grimes Aerospace Company), 4177200-95 (Zf Industrieantriebe Witten Gmbh), AN515-6-16 (Aeronautical Standards Group Dept of Navy and Air Force), 1881900414 (Navcom Defense Electronics, Inc.) and 20 more.

What NSN replaces 5305-00-984-6221?

There are 12 known substitutes for 5305-00-984-6221: 5855-00-446-5921, 5945-00-480-2059, 5305-00-505-2719 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 19050ADX?

Key specifications for 19050ADX: Minimum Tensile Strength: 60000 POUNDS PER SQUARE INCH LBS; Fastener Length: 1.000 INCHES NOMINAL IN; Thread Length: 0.938 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.138 INCHES IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-984-6221 still in active supply?

NSN 5305-00-984-6221 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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