5340-01-312-7493

Find complete technical information, availability, and procurement data for: 5340-01-312-7493
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-312-7493

Item Name Code

28458

Assigment Date

12/21/1989 (36 years ago)

An item made of material having elastic properties. It may have rigid mounting facilities such as a flange(s), sleeve(s), stud(s) or the like. It is designed to isolate or dampen shock and/or vibration of a continuous or intermittent origin and serve as a support for a weapon system component to be isolated. Excludes:mount, resilient, utility; spring (as modified); bumper, nonmetallic; bumper, rubber; bushing, nonmetallic; hydraulic and pneumatic shock absorbers, dash-pots, grommets, and shock pads.

0.250 inches minimum and 0.260 inches maximum inside diameter, 0.039 inches minimum and 0.043 inches maximum vent hole diameter, filtering refinement medium type, threaded end connection type, 0.135 inches nominal length

Product Characteristics

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

Inside Diameter: 0.250 inches minimum and 0.260 inches maximum
Length: 0.135 inches nominal
Vent Hole Diameter: 0.039 inches minimum and 0.043 inches maximum
End Connection Type: threaded
Refinement Medium Type: filtering
Vent Hole Quantity: 2
Vent Hole Shape: round
Material: steel
Material Document And Classification: ams 5640 assn std single material response
Thread Size And Series/Type Designator: 0.3125-24 unf

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
693611	Vent Plug

FAQs

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

What is the FSCG of the NSN 5340-01-312-7493?

The FSCG of the NSN 5340-01-312-7493 is 5340

Does the NSN 5340-01-312-7493 have a Schedule B code assigned?

Yes, the Schedule B code is 8421990080

Does NSN 5340-01-312-7493 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 5340-01-312-7493 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-312-7493 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 5340-01-312-7493 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Thu, Dec 21, 1989