PST22A

View detailed technical data, stock status, and sourcing information for: PST22A
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Federal Supply Group

Refrigeration, Air Conditioning, and Air Circulating Equipment

Federal Supply Classification

4130 Refrigeration and Air Conditioning Components

National Stock Number

4130-00-809-8414

Item Name Code

22220

Assigment Date

01/01/1962 (64 years ago)

3.250 inches nominal diameter, 0.750 inches nominal pinhole diameter, flat head style, 3.500 inches nominal overall height, hole oil passage type

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: 3.500 inches nominal
Diameter: 3.250 inches nominal
Oil Passage Type: hole
Pinhole Diameter: 0.750 inches nominal
Surface Finish: finished
Finished Size Designation: standard
Skirt Type: solid
Skirt Bottom Cutaway Feature: not included
Ring Groove Quantity: 1 and 2
Ring Groove Position: no. 1 and no. 2 positions
Ring Groove Width: 0.1875 inches minimum and 0.1875 inches maximum
Ring Groove Diameter: 2.911 inches minimum and 0.2871 inches maximum
Oil Groove: included
Distance From Pin Hole Center To Extreme Top: 1.751 inches maximum
Pin Hole Bushing: not included
Distance Between Pin Bosses: 1.250 inches nominal
Retaining Ring Groove: included
Pin: included
Pin Type For Which Designed: floating
Ring: not included
Integral Connecting Rod: not included
Material: aluminum
Fsc Application Data: compressor

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4130-00-076-3869	No Name Available	01/01/1960

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
PST22A	Compressor Piston

FAQs

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

What is the FSCG of the NSN 4130-00-809-8414?

The FSCG of the NSN 4130-00-809-8414 is 4130

Does NSN 4130-00-809-8414 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 4130-00-809-8414 contain precious materials?

Precious metal content is unknown

Does NSN 4130-00-809-8414 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 4130-00-809-8414 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962