PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6746Screw,machine

Telemechanics Inc · NSN 5305-00-285-5578 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-285-5578 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-285-5578. Primary manufacturer part number: 6746.
Features
  • Screw,machine — FSC 5305
  • Thread Direction: RIGHT-HAND
  • Features Provided: CASEHARDENED
  • Head Height: 0.094 INCHES NOMINAL IN
  • Thread Length: 0.312 INCHES NOMINAL IN
  • Thread Series Designator: UNF
  • Width Between Flats: 0.250 INCHES NOMINAL IN
  • Fastener Length: 0.312 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-285-5578, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-285-5578
Primary Part Number6746
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusCANCELLED
Thread DirectionRIGHT-HAND
Features ProvidedCASEHARDENED
Head Height0.094 INCHES NOMINAL IN
Thread Length0.312 INCHES NOMINAL IN
Thread Series DesignatorUNF
Width Between Flats0.250 INCHES NOMINAL IN
Fastener Length0.312 INCHES NOMINAL IN
Thread Class3A A
Screw MaterialSTEEL
Thread Quantity Per Inch40
Nominal Thread Diameter0.138 INCHES IN
Internal Drive StyleSLOT
Screw Surface TreatmentNICKEL
Head StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
9540-00-264-0265 INTERCHANGEABLE
Angle,structural
5355-00-667-6723 INTERCHANGEABLE
Knob
5950-00-965-5003518659 INTERCHANGEABLE
Transformer,power Autotransforme
Instruments and Flight Research, Inc.
9540-01-165-4398 INTERCHANGEABLE
Angle,structural
3530-01-174-44006746 INTERCHANGEABLE
Needle,sewing Machine
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
3040-01-217-56996746 INTERCHANGEABLE
Lever,manual Control
Danfoss Power Solutions II, Llc
2040-01-500-65596746 INTERCHANGEABLE
Panel,floor,watercraft
Zodiac of North America, Inc. Dba Zodiac of North America Inc Div Milpro
Cross-Reference Index
Part NumberManufacturer
6746 PRIMARY Telemechanics Inc (USA)
6746 At and T Corp (USA)
Related Parts
9540-00-264-0265INTERCHANGEABLE
ANGLE,STRUCTURAL
5355-00-667-6723INTERCHANGEABLE
KNOB
5950-00-965-5003INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
518659
9540-01-165-4398INTERCHANGEABLE
ANGLE,STRUCTURAL
3530-01-174-4400INTERCHANGEABLE
NEEDLE,SEWING MACHINE
6746
3040-01-217-5699INTERCHANGEABLE
LEVER,MANUAL CONTROL
6746
2040-01-500-6559INTERCHANGEABLE
PANEL,FLOOR,WATERCRAFT
6746

Frequently Asked Questions

What is NSN 5305-00-285-5578?

NSN 5305-00-285-5578 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 5305-00-285-5578?

NSN 5305-00-285-5578 has 2 cross-referenced part numbers: 6746 (Telemechanics Inc), 6746 (At and T Corp).

What NSN replaces 5305-00-285-5578?

There are 7 known substitutes for 5305-00-285-5578: 9540-00-264-0265, 5355-00-667-6723, 5950-00-965-5003 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6746?

Key specifications for 6746: Thread Direction: RIGHT-HAND; Features Provided: CASEHARDENED; Head Height: 0.094 INCHES NOMINAL IN; Thread Length: 0.312 INCHES NOMINAL IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-285-5578 still in active supply?

NSN 5305-00-285-5578 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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