B2-1-2NC30A1

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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-075-1949

Item Name Code

61082

Assigment Date

11/05/1969 (56 years ago)

A tubular shaped metallic item designed to provide a replaceable wearing surface for a centrifugal pump shaft. See also bearing, sleeve; bushing, sleeve; and spacer, sleeve.

square inside left corner corner shape, 1.8720 inches minimum and 1.8780 inches maximum body outside diameter, chamfered outside left corner corner shape, 1.3760 inches minimum and 1.3780 inches maximum body inside diameter, 6.3125 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: 6.3125 inches nominal
Body Outside Diameter: 1.8720 inches minimum and 1.8780 inches maximum
Body Inside Diameter: 1.3760 inches minimum and 1.3780 inches maximum
Corner Shape: chamfered outside left corner
Corner Shape: square inside left corner
Corner Shape: square inside right corner
Corner Shape: square outside right corner
Keyway Dimension: 0.1250 inches nominal internal keyway depth
Keyway Dimension: 0.2500 inches nominal internal keyway width
Keyway Dimension: 0.5000 inches nominal internal keyway length
Material: steel corrosion resisting 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
014-NGS-002-302	Pump Shaft Sleeve
B-2 1/2NC30-1	Pump Shaft Sleeve
B2-1-2NC30A1	Pump Shaft Sleeve
CS4320-0267	Pump Shaft Sleeve
H4320-075-1949	Pump Shaft Sleeve

FAQs

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

What is the FSCG of the NSN 4320-00-075-1949?

The FSCG of the NSN 4320-00-075-1949 is 4320

Does the NSN 4320-00-075-1949 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-00-075-1949 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 4320-00-075-1949 contain precious materials?

Precious metal content is unknown

Does NSN 4320-00-075-1949 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 4320-00-075-1949 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Wed, Nov 5, 1969