65B26

View detailed technical data, stock status, and sourcing information for: 65B26
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4310 Compressors and Vacuum Pumps

National Stock Number

4310-00-267-5201

Item Name Code

11459

Assigment Date

01/01/1961 (65 years ago)

6.000 inches standard bore diameter, 0.2480 inches minimum and 0.2490 inches maximum overall width, concentric ring style, 0.2030 inches minimum and 0.2270 inches maximum radial wall thickness, straight face, double scraper, ventilated oil control cross-sectional shape style

Product Characteristics

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

Cross-Sectional Shape Style: straight face, double scraper, ventilated oil control
Ring Style: concentric
Radial Wall Thickness: 0.2030 inches minimum and 0.2270 inches maximum
Overall Width: 0.2480 inches minimum and 0.2490 inches maximum
Standard Bore Diameter: 6.000 inches
Joint Style: vertical joint
Oil Passage Type And Quantity: 1 groove and 8 slot outside periphery
Material: iron overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4310-00-420-2686	No Name Available	01/01/1963
4310-00-609-9083	No Name Available	07/26/1974

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
65B26	Piston Ring
65R4	Piston Ring
N129PC95	Piston Ring

FAQs

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

What is the FSCG of the NSN 4310-00-267-5201?

The FSCG of the NSN 4310-00-267-5201 is 4310

Does the NSN 4310-00-267-5201 have a Schedule B code assigned?

Yes, the Schedule B code is 8414902095

Does NSN 4310-00-267-5201 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 4310-00-267-5201 contain precious materials?

Precious metal content is unknown

Does NSN 4310-00-267-5201 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 4310-00-267-5201 was assigned to the Federal Catalog?

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