12379458

View detailed technical data, stock status, and sourcing information for: 12379458
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-331-1523

Item Name Code

40268

Assigment Date

12/14/1990 (35 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.

locknut furnished items, arched keyway on end 0.188 in. min,0.218 in. max radius special features, 0.297 inches minimum and 0.327 inches maximum hole diameter, 0.600 inches minimum and 0.650 inches maximum height, 3.160 inches nominal outside 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: 0.297 inches minimum and 0.327 inches maximum
Furnished Items: locknut
Outside Diameter: 3.160 inches nominal
Special Features: arched keyway on end 0.188 in. min,0.218 in. max radius
Height: 0.600 inches minimum and 0.650 inches maximum

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
12379458	Synchro Clamp

FAQs

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

What is the FSCG of the NSN 5340-01-331-1523?

The FSCG of the NSN 5340-01-331-1523 is 5340

Does the NSN 5340-01-331-1523 have a Schedule B code assigned?

Yes, the Schedule B code is 8205700090

Does NSN 5340-01-331-1523 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 5340-01-331-1523 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-331-1523 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5340-01-331-1523 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Fri, Dec 14, 1990