PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

109388Screw,machine

Unison Industries Llc · NSN 5305-00-526-0486 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-526-0486 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-526-0486. Primary manufacturer part number: 109388.
Features
  • Screw,machine — FSC 5305
  • Thread Class: 2A A
  • Head Diameter: 0.166 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 40
  • Head Style: FILLISTER
  • Hole Quantity: 2
  • Hole Diameter: 0.037 INCHES NOMINAL IN
  • Head Hole Configuration Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-526-0486, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Unison Industries Llc. Government technical data includes 15 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
NSN5305-00-526-0486
Primary Part Number109388
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerUnison Industries Llc
StatusACTIVE
Thread Class2A A
Head Diameter0.166 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN
Thread Quantity Per Inch40
Head StyleFILLISTER
Hole Quantity2
Hole Diameter0.037 INCHES NOMINAL IN
Head Hole Configuration StyleROUND
Screw MaterialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 347
Head Height0.072 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
Fastener Length0.360 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN
Thread Length0.310 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN
Internal Drive StyleSLOT
Thread DirectionRIGHT-HAND
Nominal Thread Diameter0.112 INCHES IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4730-00-048-17881627B INTERCHANGEABLE
Fitting,lubrication
Caterpillar Inc Div Caterpillar Defense
5930-00-171-508710938-8 INTERCHANGEABLE
Switch,push
Drs Technologies Canada Ltd
1680-00-343-5686 INTERCHANGEABLE
Shaft,actuator Driv
3040-01-619-8487109388 INTERCHANGEABLE
Shaft,shouldered
Hamilton Jet, Inc.
4920-01-632-8844109388 INTERCHANGEABLE
Spray Bar Weldment
Clarus Technologies, Llc
Cross-Reference Index
Part NumberManufacturer
109388 PRIMARY Unison Industries Llc (USA)
109388 Unison Industries, Llc Dba Unison Industries Inc (USA)
Related Parts
4730-00-048-1788INTERCHANGEABLE
FITTING,LUBRICATION
1627B
5930-00-171-5087INTERCHANGEABLE
SWITCH,PUSH
10938-8
1680-00-343-5686INTERCHANGEABLE
SHAFT,ACTUATOR DRIV
3040-01-619-8487INTERCHANGEABLE
SHAFT,SHOULDERED
109388
4920-01-632-8844INTERCHANGEABLE
SPRAY BAR WELDMENT
109388

Frequently Asked Questions

What is NSN 5305-00-526-0486?

NSN 5305-00-526-0486 is a Screw,machine, manufactured by Unison Industries Llc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-526-0486?

NSN 5305-00-526-0486 has 2 cross-referenced part numbers: 109388 (Unison Industries Llc), 109388 (Unison Industries, Llc Dba Unison Industries Inc).

What NSN replaces 5305-00-526-0486?

There are 5 known substitutes for 5305-00-526-0486: 4730-00-048-1788, 5930-00-171-5087, 1680-00-343-5686 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 109388?

Key specifications for 109388: Thread Class: 2A A; Head Diameter: 0.166 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN; Thread Quantity Per Inch: 40; Head Style: FILLISTER. 15 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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