646979

View detailed technical data, stock status, and sourcing information for: 646979
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-874-7479

Item Name Code

77777

Assigment Date

01/01/1962 (64 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.

cres,0.341 to 0.342 in. od,0.249 to 0.250 in. lg general characteristics item description, 4320001777038 34e56&17j pump,axial pistons end item identification

Product Characteristics

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

End Item Identification: 4320001777038 34e56&17j pump,axial pistons
General Characteristics Item Description: cres,0.341 to 0.342 in. od,0.249 to 0.250 in. lg

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
646979	Bleeder Valve Ball Cap

FAQs

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

What is the FSCG of the NSN 4320-00-874-7479?

The FSCG of the NSN 4320-00-874-7479 is 4320

Does NSN 4320-00-874-7479 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4320-00-874-7479 contain precious materials?

Item does not contain precious metal.

Does NSN 4320-00-874-7479 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 4320-00-874-7479 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962