PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T-110Setscrew

Unertl John Optical Co Inc · NSN 5305-01-459-6679 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-459-6679 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-459-6679. Primary manufacturer part number: T-110.
Features
  • Setscrew — FSC 5305
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 18
  • Internal Drive Style: W/O INTERNAL DRIVE
  • Thread Direction: RIGHT-HAND
  • Thread Length: 1.031 INCHES NOMINAL IN
  • Fastener Length: 1.266 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.312 INCHES IN
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Setscrew, cataloged under National Stock Number 5305-01-459-6679, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Unertl John Optical Co Inc. Government technical data includes 8 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-459-6679
Primary Part NumberT-110
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerUnertl John Optical Co Inc
StatusACTIVE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch18
Internal Drive StyleW/O INTERNAL DRIVE
Thread DirectionRIGHT-HAND
Thread Length1.031 INCHES NOMINAL IN
Fastener Length1.266 INCHES NOMINAL IN
Nominal Thread Diameter0.312 INCHES IN
Head StyleHEADLESS (SETSCREW)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5220-00-044-2762T110 INTERCHANGEABLE
Gage,profile
Compair, Inc
3110-00-227-4146T110 INTERCHANGEABLE
Bearing,roller,thrust
The Timken Corporation
5950-00-454-5463 INTERCHANGEABLE
Transformer,power
3010-00-752-7598T1-10 INTERCHANGEABLE
Coupling,shaft,flexible
Roller Bearing Co of America, Inc Div Pic Design
5136-01-028-5199T110 INTERCHANGEABLE
Tap,thread Cutting
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
4820-01-204-8460T-110 INTERCHANGEABLE
Stem,fluid Valve
Ametek Inc
4820-01-353-7601T-110 INTERCHANGEABLE
Stem,fluid Valve
Morehouse Instrument Company Dba Morehouse Instrument Co Inc
6665-01-603-7537T-110 INTERCHANGEABLE
Probe,mine
Vargo Outdoors, Llc
5136-01-649-7612T110A INTERCHANGEABLE
Tap,thread Cutting
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
6625-01-673-7303T110 INTERCHANGEABLE
Voltmeter
Fluke Corp
Cross-Reference Index
Part NumberManufacturer
T-110 PRIMARY Unertl John Optical Co Inc (USA)
Related Parts
5220-00-044-2762INTERCHANGEABLE
GAGE,PROFILE
T110
3110-00-227-4146INTERCHANGEABLE
BEARING,ROLLER,THRUST
T110
5950-00-454-5463INTERCHANGEABLE
TRANSFORMER,POWER
3010-00-752-7598INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
T1-10
5136-01-028-5199INTERCHANGEABLE
TAP,THREAD CUTTING
T110
4820-01-204-8460INTERCHANGEABLE
STEM,FLUID VALVE
T-110
4820-01-353-7601INTERCHANGEABLE
STEM,FLUID VALVE
T-110
6665-01-603-7537INTERCHANGEABLE
PROBE,MINE
T-110
5136-01-649-7612INTERCHANGEABLE
TAP,THREAD CUTTING
T110A
6625-01-673-7303INTERCHANGEABLE
VOLTMETER
T110

Frequently Asked Questions

What is NSN 5305-01-459-6679?

NSN 5305-01-459-6679 is a Setscrew, manufactured by Unertl John Optical Co Inc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-459-6679?

NSN 5305-01-459-6679 has 1 cross-referenced part number: T-110 (Unertl John Optical Co Inc).

What NSN replaces 5305-01-459-6679?

There are 10 known substitutes for 5305-01-459-6679: 5220-00-044-2762, 3110-00-227-4146, 5950-00-454-5463 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T-110?

Key specifications for T-110: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Thread Quantity Per Inch: 18; Internal Drive Style: W/O INTERNAL DRIVE; Thread Direction: RIGHT-HAND. 9 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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