BA809B

View detailed technical data, stock status, and sourcing information for: BA809B
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4310 Compressors and Vacuum Pumps

National Stock Number

4310-00-057-6522

Item Name Code

11459

Assigment Date

06/06/1967 (59 years ago)

A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes:packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.

plain rectangular, straight face cross-sectional shape style, 0.3730 inches nominal overall width, concentric ring style, 0.2750 inches minimum and 0.2950 inches maximum radial wall thickness, 8.022 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: plain rectangular, straight face
Ring Style: concentric
Radial Wall Thickness: 0.2750 inches minimum and 0.2950 inches maximum
Overall Width: 0.3730 inches nominal
Standard Bore Diameter: 8.022 inches
Joint Style: step joint
Material: iron overall

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
BA08029B	Piston Ring
BA809B	Piston Ring

FAQs

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

What is the FSCG of the NSN 4310-00-057-6522?

The FSCG of the NSN 4310-00-057-6522 is 4310

Does the NSN 4310-00-057-6522 have a Schedule B code assigned?

Yes, the Schedule B code is 8414902095

Does NSN 4310-00-057-6522 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 4310-00-057-6522 contain precious materials?

Precious metal content is unknown

Does NSN 4310-00-057-6522 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 4310-00-057-6522 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Tue, Jun 6, 1967