PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21065ADXScrew,machine

Airdale Express Llc Div Airdale Express · NSN 5305-01-211-3094 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-211-3094 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-211-3094. Primary manufacturer part number: 21065ADX.
Features
  • Screw,machine — FSC 5305
  • Internal Drive Style: CROSS RECESS TYPE 1
  • Fastener Length: 0.410 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Head Diameter: 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
  • Head Style: PAN
  • Nominal Thread Diameter: 0.164 INCHES IN
  • Head Height: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-211-3094, 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 3 commercial cross-references from 3 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
NSN5305-01-211-3094
Primary Part Number21065ADX
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerAirdale Express Llc Div Airdale Express
StatusACTIVE
Internal Drive StyleCROSS RECESS TYPE 1
Fastener Length0.410 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head Diameter0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
Head StylePAN
Nominal Thread Diameter0.164 INCHES IN
Head Height0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
Screw MaterialCOPPER ALLOY
Thread Quantity Per Inch32
Thread Length0.378 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Class2A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-297-796721065 INTERCHANGEABLE
Screw,drive
Honeywell Inc Residential Div
4940-00-948-002421065 INTERCHANGEABLE
Spreader,coil,pneumatic
General Electric Co Electrical Distribution and Control
6630-01-043-679421065 INTERCHANGEABLE
Filter Assembly,hyd
Mirion Technologies (canberra), Inc.
7035-01-100-597321065 INTERCHANGEABLE
Mounting Block
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5940-01-102-4798T-2080-0010P INTERCHANGEABLE
Terminal,lug
Gc/waldom Inc
4720-01-219-172310026519 INTERCHANGEABLE
Hose,preformed
General Motors Llc Dba General Motors Llc
3040-01-413-402221065 INTERCHANGEABLE
Shaft,straight
New Venture Gear Inc New Process Gear Div
4810-01-421-002021065-003 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4810-01-421-002121065-002 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4810-01-421-002221065-001 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
21065ADX Airdale Express Llc Div Airdale Express (USA)
H12-0002-306 L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications (USA)
21065 Federal Screw Products, Inc. (USA)
Related Parts
5305-00-297-7967INTERCHANGEABLE
SCREW,DRIVE
21065
4940-00-948-0024INTERCHANGEABLE
SPREADER,COIL,PNEUMATIC
21065
6630-01-043-6794INTERCHANGEABLE
FILTER ASSEMBLY,HYD
21065
7035-01-100-5973INTERCHANGEABLE
MOUNTING BLOCK
21065
5940-01-102-4798INTERCHANGEABLE
TERMINAL,LUG
T-2080-0010P
4720-01-219-1723INTERCHANGEABLE
HOSE,PREFORMED
10026519
3040-01-413-4022INTERCHANGEABLE
SHAFT,STRAIGHT
21065
4810-01-421-0020INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21065-003
4810-01-421-0021INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21065-002
4810-01-421-0022INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21065-001
4810-01-421-0023INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21065-851-1
4820-01-587-5583INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21065-007

Frequently Asked Questions

What is NSN 5305-01-211-3094?

NSN 5305-01-211-3094 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 5305-01-211-3094?

NSN 5305-01-211-3094 has 3 cross-referenced part numbers: 21065ADX (Airdale Express Llc Div Airdale Express), H12-0002-306 (L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications), 21065 (Federal Screw Products, Inc.).

What NSN replaces 5305-01-211-3094?

There are 12 known substitutes for 5305-01-211-3094: 5305-00-297-7967, 4940-00-948-0024, 6630-01-043-6794 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21065ADX?

Key specifications for 21065ADX: Internal Drive Style: CROSS RECESS TYPE 1; Fastener Length: 0.410 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Head Diameter: 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM 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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