C28S

View detailed technical data, stock status, and sourcing information for: C28S
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-084-9551

Item Name Code

40268

Assigment Date

10/26/1979 (46 years ago)

A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The overall length must exceed 25 percent of the outside diameter or distance across peripheral flats of the body. (when the length, outside diameter, and/or distance across peripheral flats are designed as a tolerance, the maximum dimension will be used to determine compliance). For items having other than a round or hexagon peripheral shape, see spacer, plate. Excludes:items with lubricating features, see bearing, sleeve and bushing, sleeve. See also bushing, tapered; spacer, ring; washer, flat; and washer, (as modified).

0.313 inches nominal length, 0.152 inches nominal height, 0.120 inches minimum and 0.125 inches maximum hole diameter, 0.281 inches nominal width, locknut furnished items

Product Characteristics

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

Hole Diameter: 0.120 inches minimum and 0.125 inches maximum
Furnished Items: locknut
Width: 0.281 inches nominal
Length: 0.313 inches nominal
Height: 0.152 inches nominal
Material: steel comp 302
Material Document And Classification: aisi assn std single material response
Surface Treatment: passivate

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
C28S	Synchro Clamp

FAQs

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

What is the FSCG of the NSN 5340-01-084-9551?

The FSCG of the NSN 5340-01-084-9551 is 5340

Does the NSN 5340-01-084-9551 have a Schedule B code assigned?

Yes, the Schedule B code is 8205700090

Does NSN 5340-01-084-9551 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 5340-01-084-9551 contain precious materials?

Precious metal content is unknown

Does NSN 5340-01-084-9551 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 5340-01-084-9551 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Fri, Oct 26, 1979