MR50-057

View detailed technical data, stock status, and sourcing information for: MR50-057

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MR50-057
Federal Supply Group
Refrigeration, Air Conditioning, and Air Circulating Equipment
National Stock Number
4130-00-139-5267
Item Name Code
22220
Assigment Date
09/01/1971 (54 years ago)

A cylindrical piece which moves or reciprocates in a cylinder to compress air or gas from an initial intake pressure to a higher discharge pressure. May include integral connecting rod.

2.500 inches nominal overall height, flat head style, semifinished surface finish, slot oil passage type, 2.500 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.

Head Style
flat
Overall Height
2.500 inches nominal
Diameter
2.500 inches nominal
Oil Passage Type
slot
Surface Finish
semifinished
Skirt Type
solid
Skirt Bottom Cutaway Feature
not included
Ring Groove Quantity
2
Ring Groove Position
no.1,no. 2 positions
Ring Groove Width
0.125 inches nominal
Ring Groove Diameter
2.250 inches nominal
Oil Groove
included
Distance From Pin Hole Center To Extreme Top
1.125 inches nominal
Pin Hole Bushing
included
Distance Between Pin Bosses
1.125 inches nominal
Retaining Ring Groove
not included
Pin
included
Pin Type For Which Designed
locked
Ring
included
Integral Connecting Rod
included
Material
iron cast

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
504-0004-03 Compressor Piston
998-0504-08 Compressor Piston
MR50-057 Compressor Piston
PRA-1530 Compressor Piston

FAQs

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

What is the FSCG of the NSN 4130-00-139-5267?
The FSCG of the NSN 4130-00-139-5267 is 4130
Does NSN 4130-00-139-5267 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 4130-00-139-5267 contain precious materials?
Precious metal content is unknown
Does NSN 4130-00-139-5267 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 4130-00-139-5267 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Wed, Sep 1, 1971

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