PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4423Screw,shoulder

Roller Bearing Co of America, Inc Div Pic Design · NSN 5305-01-231-5906 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-231-5906 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-231-5906. Primary manufacturer part number: 4423.
Features
  • Screw,shoulder — FSC 5305
  • Thread Class: 2A A
  • Shoulder Diameter: 0.1869 INCHES MINIMUM AND 0.1870 INCHES MAXIMUM FIRST SHOULDER IN
  • Width Across Flats: 0.094 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
  • Nominal Thread Diameter: 0.164 INCHES IN
  • Head Style: FLAT CHAMFER
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Surface Treatment: PASSIVATE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Screw,shoulder, cataloged under National Stock Number 5305-01-231-5906, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 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
NSN5305-01-231-5906
Primary Part Number4423
Item NameScrew,shoulder
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusACTIVE
Thread Class2A A
Shoulder Diameter0.1869 INCHES MINIMUM AND 0.1870 INCHES MAXIMUM FIRST SHOULDER IN
Width Across Flats0.094 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
Nominal Thread Diameter0.164 INCHES IN
Head StyleFLAT CHAMFER
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Surface TreatmentPASSIVATE OVERALL
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread Length0.1565 INCHES MINIMUM AND 0.2185 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Head Height0.125 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
MaterialSTEEL COMP 303 OVERALL
Thread Quantity Per Inch32
Shoulder ShapeROUND FIRST SHOULDER
Head Diameter0.281 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN
Shoulder Length1.0005 INCHES MINIMUM AND 1.0025 INCHES MAXIMUM FIRST SHOULDER IN
Material Document and ClassificationASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Fastener Length1.1590 INCHES MINIMUM AND 1.2190 INCHES MAXIMUM IN
Internal Drive StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5905-00-082-74102651-335 INTERCHANGEABLE
Resistor,fixed,wire Wound
Reliance Comm/tec Corp Lorain Products Div
5120-00-133-0618 INTERCHANGEABLE
Die,crimping Tool
5905-00-258-01016104-3227492REVAPC51 INTERCHANGEABLE
Resistor,adjustable
Naval Ship Systems Command
5306-00-276-84694423A INTERCHANGEABLE
Bolt,machine
Brinkley Technology Group Llc Dba Hercules Manufacturing
6610-00-420-6789 INTERCHANGEABLE
Indicator,counting
9540-00-596-3017 INTERCHANGEABLE
Angle,structural
5120-00-659-8984MDE200099-1 INTERCHANGEABLE
Extractor,screw
The Boeing Company Div Defense
4730-00-801-9026 INTERCHANGEABLE
Trap,steam
5962-01-079-92324423 INTERCHANGEABLE
Microcircuit,linear
Burr-Brown Corp
6625-01-184-15599211-2663 INTERCHANGEABLE
Case,test Set
Keysight Technologies Inc
Cross-Reference Index
Part NumberManufacturer
411200-42 Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware (USA)
523817-14 Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA)
411200-42 Unicorp. (USA)
4423 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
411200-42 Raytheon Company Dba Raytheon (USA)
PZ-14-3 W. M. Berg, Inc. (USA)
Related Parts
5905-00-082-7410INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
2651-335
5120-00-133-0618INTERCHANGEABLE
DIE,CRIMPING TOOL
5905-00-258-0101INTERCHANGEABLE
RESISTOR,ADJUSTABLE
6104-3227492REVAPC51
5306-00-276-8469INTERCHANGEABLE
BOLT,MACHINE
4423A
6610-00-420-6789INTERCHANGEABLE
INDICATOR,COUNTING
9540-00-596-3017INTERCHANGEABLE
ANGLE,STRUCTURAL
5120-00-659-8984INTERCHANGEABLE
EXTRACTOR,SCREW
MDE200099-1
4730-00-801-9026INTERCHANGEABLE
TRAP,STEAM
5962-01-079-9232INTERCHANGEABLE
MICROCIRCUIT,LINEAR
4423
6625-01-184-1559INTERCHANGEABLE
CASE,TEST SET
9211-2663
5962-01-191-1336INTERCHANGEABLE
MICROCIRCUIT,LINEAR
4423
3990-01-285-5641INTERCHANGEABLE
BOX,TOTE

Frequently Asked Questions

What is NSN 5305-01-231-5906?

NSN 5305-01-231-5906 is a Screw,shoulder, 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 5305-01-231-5906?

NSN 5305-01-231-5906 has 6 cross-referenced part numbers: 411200-42 (Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware), 523817-14 (Naval Air Warfare Center Aircraft Division Joint Base Jbmdl), 411200-42 (Unicorp.), 4423 (Roller Bearing Co of America, Inc Div Pic Design), 411200-42 (Raytheon Company Dba Raytheon) and 1 more.

What NSN replaces 5305-01-231-5906?

There are 12 known substitutes for 5305-01-231-5906: 5905-00-082-7410, 5120-00-133-0618, 5905-00-258-0101 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4423?

Key specifications for 4423: Thread Class: 2A A; Shoulder Diameter: 0.1869 INCHES MINIMUM AND 0.1870 INCHES MAXIMUM FIRST SHOULDER IN; Width Across Flats: 0.094 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.164 INCHES IN. 19 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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