604449

View detailed technical data, stock status, and sourcing information for: 604449
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-00-779-5739

Item Name Code

24328

Assigment Date

01/01/1960 (66 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.

0.6190 inches minimum and 0.6240 inches maximum first step diameter, 0.4980 inches minimum and 0.5020 inches maximum counterbore diameter, 0.2900 inches nominal overall height, solid design type, 0.3700 inches minimum and 0.3800 inches maximum bore diameter

Product Characteristics

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

Counterbore Diameter: 0.4980 inches minimum and 0.5020 inches maximum
Overall Height: 0.2900 inches nominal
First Step Diameter: 0.6190 inches minimum and 0.6240 inches maximum
Bore Diameter: 0.3700 inches minimum and 0.3800 inches maximum
Design Type: solid
End Diameter: 0.5470 inches minimum and 0.5490 inches maximum
Distance From End To First Step: 0.0650 inches minimum and 0.0700 inches maximum
Counterbore Length: 0.1900 inches minimum and 0.1950 inches maximum
Special Features: matl-steel sae 52100;not casehardened
Material: steel
Style Designator: seat

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
604449	Helical Compression Spring Seat

FAQs

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

What is the FSCG of the NSN 5340-00-779-5739?

The FSCG of the NSN 5340-00-779-5739 is 5340

Does NSN 5340-00-779-5739 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 5340-00-779-5739 contain precious materials?

Precious metal content is unknown

Does NSN 5340-00-779-5739 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 5340-00-779-5739 was assigned to the Federal Catalog?

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