PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

80444Screw,machine

Telemechanics Inc · NSN 5305-00-286-3814 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-286-3814 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-286-3814. Primary manufacturer part number: 80444.
Features
  • Screw,machine — FSC 5305
  • Nominal Thread Diameter: 0.138 INCHES IN
  • Head Style: HEXAGON
  • Internal Drive Style: CROSS RECESS TYPE 1
  • Head Height: 0.094 INCHES NOMINAL IN
  • Fastener Length: 0.250 INCHES NOMINAL IN
  • Features Provided: CASEHARDENED
  • Screw Material: STEEL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-286-3814, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Telemechanics Inc. Government technical data includes 14 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-286-3814
Primary Part Number80444
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusCANCELLED
Nominal Thread Diameter0.138 INCHES IN
Head StyleHEXAGON
Internal Drive StyleCROSS RECESS TYPE 1
Head Height0.094 INCHES NOMINAL IN
Fastener Length0.250 INCHES NOMINAL IN
Features ProvidedCASEHARDENED
Screw MaterialSTEEL
Width Between Flats0.250 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Length0.250 INCHES MAXIMUM IN
Thread Series DesignatorUNF
Thread Quantity Per Inch40
Screw Surface TreatmentCHROMATE ZINC
Thread Class3A A
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
6210-00-168-071280444 INTERCHANGEABLE
Insert,legend,light Indicator
Ant Company of VA, the
2915-01-118-981910-60529-2 INTERCHANGEABLE
Valve,fuel Shutoff
The Boeing Company Div Defense
Cross-Reference Index
Part NumberManufacturer
80444 At and T Corp (USA)
80444 Gte Communication Systems Corp (USA)
80444 PRIMARY Telemechanics Inc (USA)
Related Parts
6210-00-168-0712INTERCHANGEABLE
INSERT,LEGEND,LIGHT INDICATOR
80444
2915-01-118-9819INTERCHANGEABLE
VALVE,FUEL SHUTOFF
10-60529-2

Frequently Asked Questions

What is NSN 5305-00-286-3814?

NSN 5305-00-286-3814 is a Screw,machine, manufactured by Telemechanics Inc, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-286-3814?

NSN 5305-00-286-3814 has 3 cross-referenced part numbers: 80444 (At and T Corp), 80444 (Gte Communication Systems Corp), 80444 (Telemechanics Inc).

What NSN replaces 5305-00-286-3814?

There are 2 known substitutes for 5305-00-286-3814: 6210-00-168-0712, 2915-01-118-9819. Verify interchangeability with system specifications before substitution.

What are the specifications of 80444?

Key specifications for 80444: Nominal Thread Diameter: 0.138 INCHES IN; Head Style: HEXAGON; Internal Drive Style: CROSS RECESS TYPE 1; Head Height: 0.094 INCHES NOMINAL IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-286-3814 still in active supply?

NSN 5305-00-286-3814 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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