5340-00-445-0680

Find complete technical information, availability, and procurement data for: 5340-00-445-0680
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-00-445-0680

Item Name Code

28458

Assigment Date

01/01/1963 (63 years ago)

An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes:straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also washer, flat and spacer, sleeve.

2a thread class, 0.219 inches nominal inside diameter, 0.312 inches nominal thread length, 0.609 inches nominal length, 0.391 inches nominal outside diameter

Product Characteristics

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

Thread Class: 2a
Inside Diameter: 0.219 inches nominal
Thread Length: 0.312 inches nominal
Outside Diameter: 0.391 inches nominal
Length: 0.609 inches nominal
Vent Hole Diameter: 0.219 inches nominal
End Connection Type: threaded
Refinement Medium Type: straining
Refinement Device Type: filter disk
Vent Hole Quantity: 1
Vent Hole Shape: round
Material: copper alloy
Thread Size And Series/Type Designator: 0.375-27 uns

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2910-00-774-7622	No Name Available	04/27/1973

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
BM55534	Vent Plug
BM66402	Vent Plug

FAQs

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

What is the FSCG of the NSN 5340-00-445-0680?

The FSCG of the NSN 5340-00-445-0680 is 5340

Does the NSN 5340-00-445-0680 have a Schedule B code assigned?

Yes, the Schedule B code is 8421990080

Does NSN 5340-00-445-0680 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 5340-00-445-0680 contain precious materials?

Precious metal content is unknown

Does NSN 5340-00-445-0680 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 5340-00-445-0680 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963