491691

View detailed technical data, stock status, and sourcing information for: 491691
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-00-914-5394

Item Name Code

24328

Assigment Date

03/07/1966 (60 years ago)

0.2600 inches nominal overall height, 0.2490 inches minimum and 0.2510 inches maximum bore diameter, 0.0700 inches nominal first step length, 0.6700 inches minimum and 0.6900 inches maximum counterbore diameter, 1.0900 inches nominal first step 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: 0.6700 inches minimum and 0.6900 inches maximum
Overall Height: 0.2600 inches nominal
First Step Diameter: 1.0900 inches nominal
First Step Length: 0.0700 inches nominal
Bore Diameter: 0.2490 inches minimum and 0.2510 inches maximum
Material Hardness Rating: 38.0 rockwell c minimum and 40.0 rockwell c maximum
Second End Diameter: 0.8400 inches minimum and 0.8440 inches maximum
Design Type: solid
End Diameter: 0.3900 inches minimum and 0.4100 inches maximum
Distance From End To First Step: 0.0500 inches minimum and 0.0700 inches maximum
Counterbore Length: 0.1200 inches nominal
Material: steel
Surface Treatment: passivate
Style Designator: seat
Fsc Application Data: control assy,engine acft p/n 544050

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
491691	Helical Compression Spring Seat

FAQs

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

What is the FSCG of the NSN 5340-00-914-5394?

The FSCG of the NSN 5340-00-914-5394 is 5340

Does NSN 5340-00-914-5394 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 5340-00-914-5394 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-00-914-5394 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 5340-00-914-5394 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Mon, Mar 7, 1966