PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4452Screw,shoulder

Roller Bearing Co of America, Inc Div Pic Design · NSN 5305-01-227-3995 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-227-3995 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-227-3995. Primary manufacturer part number: 4452.
Features
  • Screw,shoulder — FSC 5305
  • Nominal Thread Diameter: 0.375 INCHES IN
  • Fastener Length: 1.250 INCHES MINIMUM AND 1.252 INCHES MAXIMUM IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Shoulder Length: 0.625 INCHES MINIMUM AND 0.627 INCHES MAXIMUM FIRST SHOULDER IN
  • Head Diameter: 0.750 INCHES NOMINAL IN
  • Head Style: FLAT CHAMFER
  • Shoulder Diameter: 0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM FIRST SHOULDER IN
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 5305-01-227-3995, 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 16 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
NSN5305-01-227-3995
Primary Part Number4452
Item NameScrew,shoulder
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusACTIVE
Nominal Thread Diameter0.375 INCHES IN
Fastener Length1.250 INCHES MINIMUM AND 1.252 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Shoulder Length0.625 INCHES MINIMUM AND 0.627 INCHES MAXIMUM FIRST SHOULDER IN
Head Diameter0.750 INCHES NOMINAL IN
Head StyleFLAT CHAMFER
Shoulder Diameter0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM FIRST SHOULDER IN
MaterialSTEEL COMP 303 OVERALL
Width Across Flats0.250 INCHES NOMINAL IN
Head Height0.312 INCHES NOMINAL IN
Thread Quantity Per Inch16
Thread Class2A A
Internal Drive StyleHEXAGON
Thread DirectionRIGHT-HAND
Thread Length0.625 INCHES NOMINAL IN
Shoulder ShapeROUND FIRST SHOULDER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
7290-00-222-34184452 INTERCHANGEABLE
Sewing Machine,household
Singer Co the United States Div - Sewing Products Group
1620-00-342-0257 INTERCHANGEABLE
Selector,damper,steering
4310-00-465-10908165 INTERCHANGEABLE
Ring Set,piston
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
4720-00-536-91734452 INTERCHANGEABLE
Hose,preformed
Brinkley Technology Group Llc Dba Hercules Manufacturing
2540-00-741-423894.10.01.08 INTERCHANGEABLE
Cask Asy Water Side
Amfs American Fleet Services
5970-00-788-4901 INTERCHANGEABLE
Tape,insulation,electrical
6660-01-075-11214452 INTERCHANGEABLE
Punch Motor Switch and Bracket a
E Craftsmen Corporation
4330-01-108-4292156205 INTERCHANGEABLE
Shell,cartridge
Pentair Filtration Solutions, Llc
4730-01-196-1154 INTERCHANGEABLE
Adapter,straight,pipe to Tube
4320-01-200-43028150 INTERCHANGEABLE
Pump Unit,centrifugal
Mc Donald a Y Mfg Co
Cross-Reference Index
Part NumberManufacturer
4452 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
PZ-43-3 W. M. Berg, Inc. (USA)
Related Parts
7290-00-222-3418INTERCHANGEABLE
SEWING MACHINE,HOUSEHOLD
4452
1620-00-342-0257INTERCHANGEABLE
SELECTOR,DAMPER,STEERING
4310-00-465-1090INTERCHANGEABLE
RING SET,PISTON
8165
4720-00-536-9173INTERCHANGEABLE
HOSE,PREFORMED
4452
2540-00-741-4238INTERCHANGEABLE
CASK ASY WATER SIDE
94.10.01.08
5970-00-788-4901INTERCHANGEABLE
TAPE,INSULATION,ELECTRICAL
6660-01-075-1121INTERCHANGEABLE
PUNCH MOTOR SWITCH AND BRACKET A
4452
4330-01-108-4292INTERCHANGEABLE
SHELL,CARTRIDGE
156205
4730-01-196-1154INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
4320-01-200-4302INTERCHANGEABLE
PUMP UNIT,CENTRIFUGAL
8150
5330-01-360-7754INTERCHANGEABLE
SEAL,PLAIN ENCASED
KIT4757
5120-01-368-2330INTERCHANGEABLE
BIT,SCREWDRIVER
445-2

Frequently Asked Questions

What is NSN 5305-01-227-3995?

NSN 5305-01-227-3995 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 5305-01-227-3995?

NSN 5305-01-227-3995 has 2 cross-referenced part numbers: 4452 (Roller Bearing Co of America, Inc Div Pic Design), PZ-43-3 (W. M. Berg, Inc.).

What NSN replaces 5305-01-227-3995?

There are 12 known substitutes for 5305-01-227-3995: 7290-00-222-3418, 1620-00-342-0257, 4310-00-465-1090 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4452?

Key specifications for 4452: Nominal Thread Diameter: 0.375 INCHES IN; Fastener Length: 1.250 INCHES MINIMUM AND 1.252 INCHES MAXIMUM IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Shoulder Length: 0.625 INCHES MINIMUM AND 0.627 INCHES MAXIMUM FIRST SHOULDER IN. 16 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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