QB400493-8

View detailed technical data, stock status, and sourcing information for: QB400493-8
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-00-244-2905

Item Name Code

40268

Assigment Date

02/12/1969 (57 years ago)

A thin flat metal or plastic item of various peripheral shapes having a solid or laminated cross-section. It is designed to maintain a predetermined distance between two surfaces. For round items without a hole and having a solid rectangular cross-section use disk, solid, plain. Items with either (1) a solid (not laminated) cross-section, or (2) a non-separable laminated cross-section with one hole centrally located, must have a thickness less than 0.006 inch (0.152 mm) for items less than 1/4 inch (6.35 mm) outside diameter or shortest distance across peripheral flats, and less than 0.016 inch (0.406 mm) for items 1/4 inch (6.35 mm) or more outside diameter, or shortest distance across peripheral flats. For items with thickness greater than those indicated above, see spacer, plate; washer, flat and spacer, ring. When thickness and/or outside diameter or shortest distance across peripheral flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance. See also shim stock, laminated; shim stock assortment, gasket; and bearing, washer, thrust.

0.265 inches nominal hole diameter, 0.109 inches nominal height, 0.641 inches nominal width, 0.734 inches nominal length, 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: 0.265 inches nominal
Furnished Items: locknut
Width: 0.641 inches nominal
Length: 0.734 inches nominal
Height: 0.109 inches nominal
Material: steel
Surface Treatment: cadmium and chromate
Surface Treatment Document And Classification: qq-p-416,type 2,class 2 fed spec single treatment response

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
D7-265	Synchro Clamp
QB400493-8	Synchro Clamp

FAQs

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

What is the FSCG of the NSN 5340-00-244-2905?

The FSCG of the NSN 5340-00-244-2905 is 5340

Does the NSN 5340-00-244-2905 have a Schedule B code assigned?

Yes, the Schedule B code is 8205700090

Does NSN 5340-00-244-2905 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 5340-00-244-2905 contain precious materials?

Precious metal content is unknown

Does NSN 5340-00-244-2905 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 5340-00-244-2905 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Wed, Feb 12, 1969