PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6-32X3-4Screw,machine

Columbia Nut and Bolt Co Inc · NSN 5305-00-958-3858 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-958-3858 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-958-3858. Primary manufacturer part number: 6-32X3-4.
Features
  • Screw,machine — FSC 5305
  • Head Style: FLAT CHAMFER
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Screw Surface Treatment: CADMIUM
  • Thread Length: 0.750 INCHES MINIMUM IN
  • Nominal Thread Diameter: 0.138 INCHES IN
  • Thread Direction: RIGHT-HAND
  • Thread Quantity Per Inch: 32
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-958-3858, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Columbia Nut and Bolt Co Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-958-3858
Primary Part Number6-32X3-4
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerColumbia Nut and Bolt Co Inc
StatusACTIVE
Head StyleFLAT CHAMFER
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Screw Surface TreatmentCADMIUM
Thread Length0.750 INCHES MINIMUM IN
Nominal Thread Diameter0.138 INCHES IN
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch32
Head Diameter0.279 INCHES NOMINAL IN
Thread Class2A A
Internal Drive StyleSLOT
Head Height0.083 INCHES NOMINAL IN
Fastener Length0.750 INCHES NOMINAL IN
Screw MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-00-543-2774 INTERCHANGEABLE
Screw,machine
Cross-Reference Index
Part NumberManufacturer
6-32X3-4 Columbia Nut and Bolt Co Inc (USA)
Related Parts
5305-00-543-2774INTERCHANGEABLE
SCREW,MACHINE

Frequently Asked Questions

What is NSN 5305-00-958-3858?

NSN 5305-00-958-3858 is a Screw,machine, manufactured by Columbia Nut and Bolt Co Inc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-958-3858?

NSN 5305-00-958-3858 has 1 cross-referenced part number: 6-32X3-4 (Columbia Nut and Bolt Co Inc).

What NSN replaces 5305-00-958-3858?

There is 1 known substitute for 5305-00-958-3858: 5305-00-543-2774. Verify interchangeability with system specifications before substitution.

What are the specifications of 6-32X3-4?

Key specifications for 6-32X3-4: Head Style: FLAT CHAMFER; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Screw Surface Treatment: CADMIUM; Thread Length: 0.750 INCHES MINIMUM IN. 13 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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