PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-122Milling Machine,horizontal,plain

Rockwell Mfg Co · NSN 3417-00-494-9573 · FSC 3417 · No Item Name Available
Verified by PartsTable
NSN 3417-00-494-9573 — this item is cataloged by the U.S. Government under National Stock Number 3417-00-494-9573. Primary manufacturer part number: 21-122.
Features
  • Milling Machine,horizontal,plain — FSC 3417
  • Mounting Type: FLOOR
  • Power Source: ELECTRIC MOTOR
  • Quantity: 1
  • Phase: THREE
  • Width: 6.500 INCHES NOMINAL IN
  • Current Type: AC
  • Length: 24.000 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Milling Machine,horizontal,plain, cataloged under National Stock Number 3417-00-494-9573, is classified within Federal Supply Class 3417 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Rockwell Mfg Co. Government technical data includes 15 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
NSN3417-00-494-9573
Primary Part Number21-122
Item NameMilling Machine,horizontal,plain
FSC / FSG3417 / 34 — No Item Name Available
ManufacturerRockwell Mfg Co
StatusACTIVE
Mounting TypeFLOOR
Power SourceELECTRIC MOTOR
Quantity1
PhaseTHREE
Width6.500 INCHES NOMINAL IN
Current TypeAC
Length24.000 INCHES NOMINAL IN
Table Vertical Travel16.500 INCHES NOMINAL IN
Feed TypeHAND
Electric Motor Horsepower Rating1.500
Table Cross Travel6.750 INCHES NOMINAL IN
Table Longitudinal Travel16.000 INCHES NOMINAL IN
Maximum Distance From Spindle Center to Table Top15.000 INCHES IN
Frequency in Hertz60.0
Voltage in Volts220.0 AND 440.0
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
9540-00-145-8447 INTERCHANGEABLE
Angle,structural
6210-00-152-3871 INTERCHANGEABLE
Light,indicator
5330-00-162-379521122 INTERCHANGEABLE
Seal,kit
Eaton Corporation Div Eaton Fluid Power
5945-00-251-3158SCC34335 INTERCHANGEABLE
Relay,electromagnetic
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5355-00-376-5185C59470 INTERCHANGEABLE
Knob
Raytheon Company Dba Raytheon Co
5950-00-434-3093128C943H05 INTERCHANGEABLE
Transformer,power
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
2915-00-508-6212211-22 INTERCHANGEABLE
Block,shipping,fuel
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
5360-00-513-1302A21122 INTERCHANGEABLE
Spring,end,valve,pr
Aerocontrolex Group, Inc. Dba Aero Fluid Products
5962-01-064-1314 INTERCHANGEABLE
Microcircuit,digital
5133-01-095-6655 INTERCHANGEABLE
Drill,twist
Cross-Reference Index
Part NumberManufacturer
21-122 Rockwell Mfg Co (USA)
3417-2312-1624 Defense Supply Center Richmond Industrial Plant Equipment /dla/ (USA)
Related Parts
9540-00-145-8447INTERCHANGEABLE
ANGLE,STRUCTURAL
6210-00-152-3871INTERCHANGEABLE
LIGHT,INDICATOR
5330-00-162-3795INTERCHANGEABLE
SEAL,KIT
21122
5945-00-251-3158INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
SCC34335
5355-00-376-5185INTERCHANGEABLE
KNOB
C59470
5950-00-434-3093INTERCHANGEABLE
TRANSFORMER,POWER
128C943H05
2915-00-508-6212INTERCHANGEABLE
BLOCK,SHIPPING,FUEL
211-22
5360-00-513-1302INTERCHANGEABLE
SPRING,END,VALVE,PR
A21122
5962-01-064-1314INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5133-01-095-6655INTERCHANGEABLE
DRILL,TWIST
4730-01-109-9651INTERCHANGEABLE
HOSE
4710-01-303-3877INTERCHANGEABLE
TUBING,NONMETALLIC
21122

Frequently Asked Questions

What is NSN 3417-00-494-9573?

NSN 3417-00-494-9573 is a Milling Machine,horizontal,plain, manufactured by Rockwell Mfg Co, classified under FSC 3417 (No Item Name Available). Status: active.

What are the part numbers for NSN 3417-00-494-9573?

NSN 3417-00-494-9573 has 2 cross-referenced part numbers: 21-122 (Rockwell Mfg Co), 3417-2312-1624 (Defense Supply Center Richmond Industrial Plant Equipment /dla/).

What NSN replaces 3417-00-494-9573?

There are 12 known substitutes for 3417-00-494-9573: 9540-00-145-8447, 6210-00-152-3871, 5330-00-162-3795 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21-122?

Key specifications for 21-122: Mounting Type: FLOOR; Power Source: ELECTRIC MOTOR; Quantity: 1; Phase: THREE. 15 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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