G17009PC256

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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-264-0778

Item Name Code

10255

Assigment Date

01/01/1961 (65 years ago)

A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes:laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. For items manufactured from lubricated plastics, see bearing, washer, thrust. For items manufactured from lubricated felt, see felt, mechanical, preformed. Excludes:disk, valve; insulator washer; and shim. See also spacer, plate and spacer, sleeve.

2.000 inches nominal inside diameter, 0.250 inches nominal material thickness, copper alloy 462 material, 3.438 inches nominal outside diameter, steel dowel pin 0.125 in. dia,located on outer periphery,extends 0.125 in. special features

Product Characteristics

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

Inside Diameter: 2.000 inches nominal
Outside Diameter: 3.438 inches nominal
Material Thickness: 0.250 inches nominal
Special Features: steel dowel pin 0.125 in. dia,located on outer periphery,extends 0.125 in.
Material: copper alloy 462
Material Document And Classification: qq-b-637, alloy 462, 1/2h fed spec single material response
Style Designator: round
Fsc Application Data: centrifugal pump

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
1-588BV	Dirt and Liquid Deflector
CS4320-0269	Dirt and Liquid Deflector
G10228PC284	Dirt and Liquid Deflector
G10248PC284	Dirt and Liquid Deflector
G16836PC256	Dirt and Liquid Deflector
G17009PC256	Dirt and Liquid Deflector
G8426PC285	Dirt and Liquid Deflector
G8661PC284	Dirt and Liquid Deflector
G9002PC285	Dirt and Liquid Deflector
G9004PC284	Dirt and Liquid Deflector
I588BV	Dirt and Liquid Deflector
I588BV1562	Dirt and Liquid Deflector

FAQs

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

What is the FSCG of the NSN 4320-00-264-0778?

The FSCG of the NSN 4320-00-264-0778 is 4320

Does the NSN 4320-00-264-0778 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-00-264-0778 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 4320-00-264-0778 contain precious materials?

Precious metal content is unknown

Does NSN 4320-00-264-0778 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 4320-00-264-0778 was assigned to the Federal Catalog?

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