4320-00-756-7731

Find complete technical information, availability, and procurement data for: 4320-00-756-7731
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-756-7731

Item Name Code

61082

Assigment Date

01/01/1960 (66 years ago)

A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see axle(1), shouldered. For items not having any of the above conditions see pin, shoulder, headless. Excludes:shaft(1), straight; and axle(1), straight.

2.0 microinches overall surface finish, 1.4380 inches nominal body inside diameter, square all corners corner shape, 1.8750 inches nominal body outside diameter, 5.0000 inches nominal overall length

Product Characteristics

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

Overall Length: 5.0000 inches nominal
Body Outside Diameter: 1.8750 inches nominal
Body Inside Diameter: 1.4380 inches nominal
Corner Shape: square all corners
Surface Finish: 2.0 microinches overall
Surface Groove Location And Quantity: 66 internal
Special Features: od chamfered 0.0940 in. lg by 45.0 deg,id chamfered 0.0620 in. by 45.0 deg
Material: copper alloy 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
A1667REVBPC39	Pump Shaft Sleeve

FAQs

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

What is the FSCG of the NSN 4320-00-756-7731?

The FSCG of the NSN 4320-00-756-7731 is 4320

Does the NSN 4320-00-756-7731 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-00-756-7731 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 4320-00-756-7731 contain precious materials?

Precious metal content is unknown

Does NSN 4320-00-756-7731 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 4320-00-756-7731 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960