PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet
MRO / Hardware and Abrasives / 5305-00-952-0173

4019Thumbscrew

Roller Bearing Co of America, Inc Div Pic Design · NSN 5305-00-952-0173 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-952-0173 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-952-0173. Primary manufacturer part number: 4019.
L 0.375 INCHES MINIMUM IN ⌀0.138 INCHES IN 32 BOLT/SCREW PROFILE
5305-00-952-0173 — No Item Name Available illustration
Features
  • Thumbscrew — FSC 5305
  • Material: STEEL COMP 303 OVERALL
  • Thread Class: 3A A
  • Nominal Thread Diameter: 0.138 INCHES IN
  • Point Style: FLAT
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Head Height: 0.125 INCHES NOMINAL IN
  • Surface Treatment: PASSIVATE OVERALL
Applications
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Thumbscrew, cataloged under National Stock Number 5305-00-952-0173, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 13 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-952-0173
Primary Part Number4019
Item NameThumbscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusACTIVE
MaterialSTEEL COMP 303 OVERALL
Thread Class3A A
Nominal Thread Diameter0.138 INCHES IN
Point StyleFLAT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head Height0.125 INCHES NOMINAL IN
Surface TreatmentPASSIVATE OVERALL
Head Diameter0.375 INCHES NOMINAL IN
Thread Length0.375 INCHES MINIMUM IN
Head StyleKNURLED NO. 1
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch32
Fastener Length0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
⇄ Verified Substitutes 12
6240-00-065-0111 INTERCHANGEABLE
Lamp,incandescent
3110-00-085-36864019 INTERCHANGEABLE
Cone,tapered Roller Bearing
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
3110-00-100-315815118 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5905-00-101-79594019 INTERCHANGEABLE
Resistor,fixed,wire Wound
Dynalec Corporation
5365-00-120-18859228-N-140-0 INTERCHANGEABLE
Spacer,sleeve
Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware
5365-00-225-27204019 INTERCHANGEABLE
Bushing,winding
Wakmann Watch Company Inc
5325-00-559-39014L6943 INTERCHANGEABLE
Ring,retaining
Caterpillar Inc Div Caterpillar Defense
5940-00-636-54261036386 INTERCHANGEABLE
Terminal,lug
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
2825-00-760-6592322102 INTERCHANGEABLE
Box,gear
Siemens Energy, Inc.
5998-01-032-8485 INTERCHANGEABLE
Circuit Card Assembly
Cross-Reference Index
Part NumberManufacturer
4019 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
419506-32 Raytheon Company Dba Raytheon (USA)
Related Parts
6240-00-065-0111INTERCHANGEABLE
LAMP,INCANDESCENT
3110-00-085-3686INTERCHANGEABLE
CONE,TAPERED ROLLER BEARING
4019
3110-00-100-3158INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
15118
5905-00-101-7959INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
4019
5365-00-120-1885INTERCHANGEABLE
SPACER,SLEEVE
9228-N-140-0
5365-00-225-2720INTERCHANGEABLE
BUSHING,WINDING
4019
5325-00-559-3901INTERCHANGEABLE
RING,RETAINING
4L6943
5940-00-636-5426INTERCHANGEABLE
TERMINAL,LUG
1036386
2825-00-760-6592INTERCHANGEABLE
BOX,GEAR
322102
5998-01-032-8485INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
6130-01-089-2878INTERCHANGEABLE
POWER SUPPLY
5360-01-143-6122INTERCHANGEABLE
SPRING

Frequently Asked Questions

What is NSN 5305-00-952-0173?

NSN 5305-00-952-0173 is a Thumbscrew, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-952-0173?

NSN 5305-00-952-0173 has 2 cross-referenced part numbers: 4019 (Roller Bearing Co of America, Inc Div Pic Design), 419506-32 (Raytheon Company Dba Raytheon).

What NSN replaces 5305-00-952-0173?

There are 12 known substitutes for 5305-00-952-0173: 6240-00-065-0111, 3110-00-085-3686, 3110-00-100-3158 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4019?

Key specifications for 4019: Material: STEEL COMP 303 OVERALL; Thread Class: 3A A; Nominal Thread Diameter: 0.138 INCHES IN; Point Style: FLAT. 13 total characteristics are documented in the Federal Logistics Information System.

6 Million Industrial Parts. Government-Verified Data. Free.
partstable.com/parts/5305-00-952-0173
✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
partstable.com · © 2026 PartsTable. Data for reference only.
Home · MRO Catalog · Hardware and Abrasives · TDS Rev 1.0 · 2026-07-23