4A255A

View detailed technical data, stock status, and sourcing information for: 4A255A
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4310 Compressors and Vacuum Pumps

National Stock Number

4310-00-574-7777

Item Name Code

11459

Assigment Date

01/19/1968 (58 years ago)

0.1230 inches nominal overall width, beveled face, scraper cross-sectional shape style, concentric ring style, 0.0510 inches nominal radial wall thickness, 1.225 inches standard bore diameter

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: beveled face, scraper
Ring Style: concentric
Radial Wall Thickness: 0.0510 inches nominal
Overall Width: 0.1230 inches nominal
Standard Bore Diameter: 1.225 inches
Joint Style: vertical joint
Material: iron overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4310-00-869-2104	No Name Available	12/01/1984

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
3R63136H125	Piston Ring
4A255A	Piston Ring
X1440T16H	Piston Ring

FAQs

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

What is the FSCG of the NSN 4310-00-574-7777?

The FSCG of the NSN 4310-00-574-7777 is 4310

Does the NSN 4310-00-574-7777 have a Schedule B code assigned?

Yes, the Schedule B code is 8414902095

Does NSN 4310-00-574-7777 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 4310-00-574-7777 contain precious materials?

Precious metal content is unknown

Does NSN 4310-00-574-7777 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 4310-00-574-7777 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Fri, Jan 19, 1968