PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4434Screw,shoulder

Roller Bearing Co of America, Inc Div Pic Design · NSN 5305-01-163-7423 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-163-7423 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-163-7423. Primary manufacturer part number: 4434.
Features
  • Screw,shoulder — FSC 5305
  • Thread Direction: RIGHT-HAND
  • Thread Quantity Per Inch: 32
  • Thread Length: 0.250 INCHES NOMINAL IN
  • Head Diameter: 0.375 INCHES NOMINAL IN
  • Shoulder Length: 1.000 INCHES MINIMUM AND 1.002 INCHES MAXIMUM FIRST SHOULDER IN
  • Head Style: FLAT CHAMFER
  • Shoulder Diameter: 0.248 INCHES MINIMUM AND 0.249 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 5305-01-163-7423, 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 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-01-163-7423
Primary Part Number4434
Item NameScrew,shoulder
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusCANCELLED
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch32
Thread Length0.250 INCHES NOMINAL IN
Head Diameter0.375 INCHES NOMINAL IN
Shoulder Length1.000 INCHES MINIMUM AND 1.002 INCHES MAXIMUM FIRST SHOULDER IN
Head StyleFLAT CHAMFER
Shoulder Diameter0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM FIRST SHOULDER IN
Shoulder ShapeROUND FIRST SHOULDER
Thread Class3A A
Head Height0.188 INCHES NOMINAL IN
Fastener Length1.250 INCHES NOMINAL IN
MaterialSTEEL COMP 303 OVERALL
Nominal Thread Diameter0.190 INCHES IN
Internal Drive StyleHEXAGON
Thread Series DesignatorUNF
Width Across Flats0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
4310-00-354-84818166 INTERCHANGEABLE
Ring Set,piston
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
2910-00-633-1328 INTERCHANGEABLE
Pump,fuel,cam Actuated
4730-00-810-77724434 INTERCHANGEABLE
Strainer Element,sediment
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
4530-00-868-2916 INTERCHANGEABLE
Sprayer Plate Set
5930-00-950-6591 INTERCHANGEABLE
Switch,thermostatic
5905-00-994-72884434 INTERCHANGEABLE
Resistor,fixed,film
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
3010-01-070-0186521-00365 INTERCHANGEABLE
Parts Kit,clutch Disk
Stromag Inc
5365-01-368-559144-34 INTERCHANGEABLE
Spacer,sleeve
Celtech Corporation
5120-01-393-1580 INTERCHANGEABLE
Handle,socket Wrench
4720-01-470-59874434 INTERCHANGEABLE
Hose,nonmetallic
Better Engineering Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
4434 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
PZ-25-3 W. M. Berg, Inc. (USA)
965852-9C Raytheon Company Dba Raytheon (USA)
Related Parts
4310-00-354-8481INTERCHANGEABLE
RING SET,PISTON
8166
2910-00-633-1328INTERCHANGEABLE
PUMP,FUEL,CAM ACTUATED
4730-00-810-7772INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
4434
4530-00-868-2916INTERCHANGEABLE
SPRAYER PLATE SET
5930-00-950-6591INTERCHANGEABLE
SWITCH,THERMOSTATIC
5905-00-994-7288INTERCHANGEABLE
RESISTOR,FIXED,FILM
4434
3010-01-070-0186INTERCHANGEABLE
PARTS KIT,CLUTCH DISK
521-00365
5365-01-368-5591INTERCHANGEABLE
SPACER,SLEEVE
44-34
5120-01-393-1580INTERCHANGEABLE
HANDLE,SOCKET WRENCH
4720-01-470-5987INTERCHANGEABLE
HOSE,NONMETALLIC
4434
2530-01-696-5699INTERCHANGEABLE
CRANKSHAFT,COMPRESSOR
4434

Frequently Asked Questions

What is NSN 5305-01-163-7423?

NSN 5305-01-163-7423 is a Screw,shoulder, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-01-163-7423?

NSN 5305-01-163-7423 has 3 cross-referenced part numbers: 4434 (Roller Bearing Co of America, Inc Div Pic Design), PZ-25-3 (W. M. Berg, Inc.), 965852-9C (Raytheon Company Dba Raytheon).

What NSN replaces 5305-01-163-7423?

There are 11 known substitutes for 5305-01-163-7423: 4310-00-354-8481, 2910-00-633-1328, 4730-00-810-7772 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4434?

Key specifications for 4434: Thread Direction: RIGHT-HAND; Thread Quantity Per Inch: 32; Thread Length: 0.250 INCHES NOMINAL IN; Head Diameter: 0.375 INCHES NOMINAL IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-01-163-7423 still in active supply?

NSN 5305-01-163-7423 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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