2D64026

View detailed technical data, stock status, and sourcing information for: 2D64026
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Federal Supply Group

Engines, Turbines, and Components

Federal Supply Classification

2825 Steam Turbines and Components

National Stock Number

2825-01-475-4278

Item Name Code

38077

Assigment Date

06/02/2000 (26 years ago)

A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The overall length must exceed 25 percent of the outside diameter or distance across peripheral flats of the body. (when the length, outside diameter, and/or distance across peripheral flats are designed as a tolerance, the maximum dimension will be used to determine compliance). For items having other than a round or hexagon peripheral shape, see spacer, plate. Excludes:items with lubricating features, see bearing, sleeve and bushing, sleeve. See also bushing, tapered; spacer, ring; washer, flat; and washer, (as modified).

15.290 inches maximum inside diameter, material:nickle-lead-brass special features, 16.308 inches maximum outside diameter, 0.782 inches maximum height, seal ring, inlet no.3 part name assigned by controlling agency

Product Characteristics

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

Inside Diameter: 15.290 inches maximum
Outside Diameter: 16.308 inches maximum
Part Name Assigned By Controlling Agency: seal ring, inlet no.3
Special Features: material:nickle-lead-brass
Height: 0.782 inches maximum
Material: nickel alloy overall
Supplementary Features: used as low pressure turbine seal

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
2D64026	Labyrinth Seal Ring Assembly
2D64026-001	Labyrinth Seal Ring Assembly

FAQs

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

What is the FSCG of the NSN 2825-01-475-4278?

The FSCG of the NSN 2825-01-475-4278 is 2825

Does the NSN 2825-01-475-4278 have a Schedule B code assigned?

Yes, the Schedule B code is 8406900040

Does NSN 2825-01-475-4278 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 2825-01-475-4278 contain precious materials?

Item does not contain precious metal.

Does NSN 2825-01-475-4278 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 2825-01-475-4278 was assigned to the Federal Catalog?

It was assigned 26 years ago, on Fri, Jun 2, 2000