2A201

View detailed technical data, stock status, and sourcing information for: 2A201
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4310 Compressors and Vacuum Pumps

National Stock Number

4310-00-423-3498

Item Name Code

22220

Assigment Date

01/01/1961 (65 years ago)

0.620 inches nominal pinhole diameter, 3.000 inches nominal diameter, hole oil passage type, flat head style, 3.312 inches nominal overall height

Product Characteristics

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

Head Style: flat
Overall Height: 3.312 inches nominal
Diameter: 3.000 inches nominal
Oil Passage Type: hole
Pinhole Diameter: 0.620 inches nominal
Surface Finish: finished
Finished Size Designation: standard
Skirt Type: solid
Skirt Bottom Cutaway Feature: not included
Ring Groove Quantity: 4
Ring Groove Position: no. 2,no. 3,and no. 4 positions
Ring Groove Width: 0.190 inches nominal
Ring Groove Diameter: 2.688 inches nominal
Oil Groove: included
Distance From Pin Hole Center To Extreme Top: 1.810 inches nominal
Pin Hole Bushing: not included
Distance Between Pin Bosses: 1.132 inches nominal
Retaining Ring Groove: included
Pin: included
Pin Type For Which Designed: floating
Ring: not included
Integral Connecting Rod: not included
Special Features: used on 4310-00-028-3453
Material: aluminum alloy

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
2A201	Compressor Piston

FAQs

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

What is the FSCG of the NSN 4310-00-423-3498?

The FSCG of the NSN 4310-00-423-3498 is 4310

Does the NSN 4310-00-423-3498 have a Schedule B code assigned?

Yes, the Schedule B code is 8414909000

Does NSN 4310-00-423-3498 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 4310-00-423-3498 contain precious materials?

Item does not contain precious metal.

Does NSN 4310-00-423-3498 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 4310-00-423-3498 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961