4320-00-979-3802

Find complete technical information, availability, and procurement data for: 4320-00-979-3802
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-979-3802

Item Name Code

61082

Assigment Date

01/01/1962 (64 years ago)

A cylindrical item with or without flange(s), designed to be inserted in a pump casing or secured to the impeller of a centrifugal pump. It is used for the purpose of providing a close running clearance between the impeller and casing in order to prevent or overcome leakage due to erosion. It may also be used as a diffuser ring in the suction and discharge throats of valves.

1.0000 inches minimum and 1.0005 inches maximum body inside diameter, 3.5625 inches nominal overall length, 1.3730 inches minimum and 1.3750 inches maximum body outside diameter, 1.1800 inches minimum and 1.1820 inches maximum flange outside diameter, 0.2187 inches nominal first hole diameter

Product Characteristics

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

Hole Diameter: 0.2187 inches nominal first
Overall Length: 3.5625 inches nominal
Body Outside Diameter: 1.3730 inches minimum and 1.3750 inches maximum
Body Inside Diameter: 1.0000 inches minimum and 1.0005 inches maximum
Flange Outside Diameter: 1.1800 inches minimum and 1.1820 inches maximum
Flange Width: 0.1406 inches nominal
Lubricant Accommodation Style: grooved circular
Corner Shape: chamfered inside left corner
Corner Shape: square outside left corner
Corner Shape: square inside right corner
Corner Shape: square outside right corner
Hardness Rating: 265.0 brinell standard nominal overall
Antirotation/Lubrication Type And Quantity: 1 hole
Surface Groove Location And Quantity: 1 internal
Special Features: thd internally 1 end,1-1/2-11-1/2 npt lh thd,0.531 in. thd lg
Material: nickel alloy k-500 overall
Material Document And Classification: qq-n-286 fed spec single material response overall
Style Designator: solid, plain, no outside flanges

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
17685-P	Pump Shaft Sleeve
SK-171695	Pump Shaft Sleeve

FAQs

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

What is the FSCG of the NSN 4320-00-979-3802?

The FSCG of the NSN 4320-00-979-3802 is 4320

Does the NSN 4320-00-979-3802 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-00-979-3802 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 4320-00-979-3802 contain precious materials?

Precious metal content is unknown

Does NSN 4320-00-979-3802 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 4320-00-979-3802 was assigned to the Federal Catalog?

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