5340-01-268-8651

Find complete technical information, availability, and procurement data for: 5340-01-268-8651
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-268-8651

Item Name Code

28458

Assigment Date

12/08/1987 (38 years ago)

An item of various shapes (usually circular, conical, cylindrical, or rectangular) used to prevent or regulate the flow of liquids or gases through the valve. May include a retainer, screw, holder, and the like.

+0.7056 to 0.7094 inches thread pitch diameters, 0.810 inches nominal outside diameter, 0.150 inches nominal thread length, 0.549 inches minimum and 0.560 inches maximum inside diameter, 3a thread class

Product Characteristics

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

Thread Class: 3a
Thread Pitch Diameters: +0.7056 to 0.7094 inches
Inside Diameter: 0.549 inches minimum and 0.560 inches maximum
Thread Length: 0.150 inches nominal
Outside Diameter: 0.810 inches nominal
Vent Hole Diameter: 0.374 inches minimum and 0.379 inches maximum
End Connection Type: threaded
Vent Hole Quantity: 1
Vent Hole Shape: round
Special Features: matl qq-s-763,cl 3o4,cond b; finish,mil-s-5002,type 2,& mil-c-17538
Material: steel
Surface Treatment: passivate
Thread Size And Series/Type Designator: 0.750-16 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
122368-1	Vent Plug

FAQs

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

What is the FSCG of the NSN 5340-01-268-8651?

The FSCG of the NSN 5340-01-268-8651 is 5340

Does the NSN 5340-01-268-8651 have a Schedule B code assigned?

Yes, the Schedule B code is 8421990080

Does NSN 5340-01-268-8651 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 5340-01-268-8651 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-268-8651 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 5340-01-268-8651 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Tue, Dec 8, 1987