PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9443Boring Machine,engine Cylinder

Van Norman Machine Co Inc Sub of Winvan Inc · NSN 4910-00-293-4381 · FSC 4910 · No Item Name Available
Verified by PartsTable
NSN 4910-00-293-4381 — this item is cataloged by the U.S. Government under National Stock Number 4910-00-293-4381. Primary manufacturer part number: 9443.
Features
  • Boring Machine,engine Cylinder — FSC 4910
  • General Characteristics Item Description: PORTABLE; CAPACITY DATA,4.260 IN. MAX BORE DIA,2.200 IN. MIN BORE DIA,10.000 IN. MAX DEPTH OF BORE; 344 RPM,SPINDLE SPEED; 1.750 IN. PER MIN. SPINDLE SPEED; ELECTRIC MOTOR DATA,1/4 HP,AC,115 V,60 CYCLES,SINGLE PHASE; ATTACHMENTS AND/OR ACCESSORIES,1 ANCHOR,1 BOX COMPLETE W/GAGES,1 CLAMP,ANCHOR,1 CORD,ELECTRIC V
  • 3 verified cross-references
  • Primary manufacturer: Van Norman Machine Co Inc Sub of Winvan Inc
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Boring Machine,engine Cylinder, cataloged under National Stock Number 4910-00-293-4381, is classified within Federal Supply Class 4910 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Van Norman Machine Co Inc Sub of Winvan Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4910-00-293-4381
Primary Part Number9443
Item NameBoring Machine,engine Cylinder
FSC / FSG4910 / 49 — No Item Name Available
ManufacturerVan Norman Machine Co Inc Sub of Winvan Inc
StatusACTIVE
General Characteristics Item DescriptionPORTABLE; CAPACITY DATA,4.260 IN. MAX BORE DIA,2.200 IN. MIN BORE DIA,10.000 IN. MAX DEPTH OF BORE; 344 RPM,SPINDLE SPEED; 1.750 IN. PER MIN. SPINDLE SPEED; ELECTRIC MOTOR DATA,1/4 HP,AC,115 V,60 CYCLES,SINGLE PHASE; ATTACHMENTS AND/OR ACCESSORIES,1 ANCHOR,1 BOX COMPLETE W/GAGES,1 CLAMP,ANCHOR,1 CORD,ELECTRIC V
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-042-8561D95528-2 INTERCHANGEABLE
Bearing,ball,airframe
Mpb Corp Div Timken Super Precision
2825-00-146-42119443 INTERCHANGEABLE
Stem
Northrop Grumman Systems Corporation Div Marine Systems
5310-01-171-157894-43 INTERCHANGEABLE
Nut
Aircraft Wheel and Brake, Llc Dba Cleveland Wheel and Brake Systems
5950-01-246-35956086466-1 INTERCHANGEABLE
Transformer,pulse
Lockheed Martin Corporation Div Rotary and Mission Systems
2590-01-371-30349443 INTERCHANGEABLE
Parts Kit,winch
DP Manufacturing Inc.
6625-01-490-1699MR36W400DCAAR INTERCHANGEABLE
Meter,amp,dc
Hughes Corp Div Dba Weschler Instruments
Cross-Reference Index
Part NumberManufacturer
9443 Van Norman Machine Co Inc Sub of Winvan Inc (USA)
944S Universal American Corp (USA)
944S Van Norman Machine Co Inc Sub of Winvan Inc (USA)
Related Parts
3110-00-042-8561INTERCHANGEABLE
BEARING,BALL,AIRFRAME
D95528-2
2825-00-146-4211INTERCHANGEABLE
STEM
9443
5310-01-171-1578INTERCHANGEABLE
NUT
94-43
5950-01-246-3595INTERCHANGEABLE
TRANSFORMER,PULSE
6086466-1
2590-01-371-3034INTERCHANGEABLE
PARTS KIT,WINCH
9443
6625-01-490-1699INTERCHANGEABLE
METER,AMP,DC
MR36W400DCAAR

Frequently Asked Questions

What is NSN 4910-00-293-4381?

NSN 4910-00-293-4381 is a Boring Machine,engine Cylinder, manufactured by Van Norman Machine Co Inc Sub of Winvan Inc, classified under FSC 4910 (No Item Name Available). Status: active.

What are the part numbers for NSN 4910-00-293-4381?

NSN 4910-00-293-4381 has 3 cross-referenced part numbers: 9443 (Van Norman Machine Co Inc Sub of Winvan Inc), 944S (Universal American Corp), 944S (Van Norman Machine Co Inc Sub of Winvan Inc).

What NSN replaces 4910-00-293-4381?

There are 6 known substitutes for 4910-00-293-4381: 3110-00-042-8561, 2825-00-146-4211, 5310-01-171-1578 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9443?

Key specifications for 9443: General Characteristics Item Description: PORTABLE; CAPACITY DATA,4.260 IN. MAX BORE DIA,2.200 IN. MIN BORE DIA,10.000 IN. MAX DEPTH OF BORE; 344 RPM,SPINDLE SPEED; 1.750 IN. PER MIN. SPINDLE SPEED; ELECTRIC MOTOR DATA,1/4 HP,AC,115 V,60 CYCLES,SINGLE PHASE; ATTACHMENTS AND/OR ACCESSORIES,1 ANCHOR,1 BOX COMPLETE W/GAGES,1 CLAMP,ANCHOR,1 CORD,ELECTRIC V. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com