PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31219Screw,machine

Dufour (ets Gaston) · NSN 5305-00-441-4447 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-441-4447 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-441-4447. Primary manufacturer part number: 31219.
Features
  • Screw,machine — FSC 5305
  • Screw Surface Treatment: CADMIUM
  • Screw Material: STEEL COMP 1117
  • Head Diameter: 0.312 INCHES NOMINAL IN
  • Head Hole Configuration Style: ROUND
  • Thread Length: 0.750 INCHES MINIMUM IN
  • Thread Quantity Per Inch: 32
  • Nominal Thread Diameter: 0.190 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-441-4447, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Dufour (ets Gaston). Government technical data includes 17 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-441-4447
Primary Part Number31219
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerDufour (ets Gaston)
StatusCANCELLED
Screw Surface TreatmentCADMIUM
Screw MaterialSTEEL COMP 1117
Head Diameter0.312 INCHES NOMINAL IN
Head Hole Configuration StyleROUND
Thread Length0.750 INCHES MINIMUM IN
Thread Quantity Per Inch32
Nominal Thread Diameter0.190 INCHES IN
Head StyleFLAT CHAMFER
Internal Drive StyleSLOT
Hole Diameter0.046 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Head Height0.344 INCHES NOMINAL IN
Thread Series DesignatorUNF
Screw Material Document and ClassificationAMS 5022 ASSN STD SINGLE MATERIAL RESPONSE
Fastener Length1.062 INCHES NOMINAL IN
Thread Class3A A
Hole Quantity1
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5810-00-565-7993 INTERCHANGEABLE
Retainer,bearing
3020-01-197-3775 INTERCHANGEABLE
Sprocket Wheel
5305-01-223-4378 INTERCHANGEABLE
Screw,cap,hexagon Head
5935-01-370-394031-219 INTERCHANGEABLE
Adapter,connector
Amphenol Corporation Div Amphenol Rf
Cross-Reference Index
Part NumberManufacturer
31219 Dufour (ets Gaston) (FRA)
131219 Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA)
Related Parts
5810-00-565-7993INTERCHANGEABLE
RETAINER,BEARING
3020-01-197-3775INTERCHANGEABLE
SPROCKET WHEEL
5305-01-223-4378INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5935-01-370-3940INTERCHANGEABLE
ADAPTER,CONNECTOR
31-219

Frequently Asked Questions

What is NSN 5305-00-441-4447?

NSN 5305-00-441-4447 is a Screw,machine, manufactured by Dufour (ets Gaston), classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-441-4447?

NSN 5305-00-441-4447 has 2 cross-referenced part numbers: 31219 (Dufour (ets Gaston)), 131219 (Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems).

What NSN replaces 5305-00-441-4447?

There are 4 known substitutes for 5305-00-441-4447: 5810-00-565-7993, 3020-01-197-3775, 5305-01-223-4378 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31219?

Key specifications for 31219: Screw Surface Treatment: CADMIUM; Screw Material: STEEL COMP 1117; Head Diameter: 0.312 INCHES NOMINAL IN; Head Hole Configuration Style: ROUND. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-441-4447 still in active supply?

NSN 5305-00-441-4447 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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