M21B

View detailed technical data, stock status, and sourcing information for: M21B
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Federal Supply Group

Metalworking Machinery

Federal Supply Classification

3443 Power Driven Mechanical Presses

National Stock Number

3443-00-498-3928

Item Name Code

17971

Assigment Date

10/08/1969 (56 years ago)

A machine which performs forming, blanking, perforating, and indenting operations on sheet metal by exerting pressure upon the material. For machines specifically designed to separate or divide the material, see shearing machine (as modified).

2.500 inches nominal thickness, 2.750 inches nominal recess depth, 5.0 horsepower electric motor power rating, 2.000 inches nominal recess diameter, 14.000 inches nominal diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Recess Diameter: 2.000 inches nominal
Recess Depth: 2.750 inches nominal
Diameter: 14.000 inches nominal
Thickness: 2.500 inches nominal
Electric Motor Power Rating: 5.0 horsepower
Current Type: ac
Frame Type: inclinable
Throat Depth: 9.500 inches nominal
Pressure Capacity: 50.000 tons nominal
Mounting Method: floor
Main Drive Type: electric motor
Bed Air Cushion: included
Slide Recess For Punch Stem: included
Recess Cross-Sectional Shape: round
Slide Stroke Length: 3.000 inches nominal
Bed Front To Back Distance: 19.500 inches nominal
Bed Right To Left Distance: 29.500 inches nominal
Bed Opening Front To Back Distance: 12.000 inches nominal
Bed Opening Right To Left Distance: 16.000 inches nominal
Die Space: 12.750 inches nominal
Bolster Plate: included
Slide Knockout Type: cross bar
Phase: three
Frequency In Hertz: 60.0
Quantity: 1

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
3443-1111-2110	Power-Operated Punch Press
M21B	Power-Operated Punch Press

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 3443-00-498-3928?

The FSCG of the NSN 3443-00-498-3928 is 3443

Does the NSN 3443-00-498-3928 have a Schedule B code assigned?

Yes, the Schedule B code is 8462490020

Does NSN 3443-00-498-3928 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 3443-00-498-3928 contain precious materials?

Item does not contain precious metal.

Does NSN 3443-00-498-3928 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 3443-00-498-3928 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Wed, Oct 8, 1969