Y128

View detailed technical data, stock status, and sourcing information for: Y128
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-339-2552

Item Name Code

77777

Assigment Date

01/01/1961 (65 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.

4320-00-339-2552, inspection ho cover

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
101PC5	Inspection Ho Cover
107PC5	Inspection Ho Cover
262772PC5	Inspection Ho Cover
262778PC5	Inspection Ho Cover
Y128	Inspection Ho Cover

FAQs

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

What is the FSCG of the NSN 4320-00-339-2552?

The FSCG of the NSN 4320-00-339-2552 is 4320

Does NSN 4320-00-339-2552 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 4320-00-339-2552 contain precious materials?

Precious metal content is unknown

Does NSN 4320-00-339-2552 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 4320-00-339-2552 was assigned to the Federal Catalog?

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