6121K311

View detailed technical data, stock status, and sourcing information for: 6121K311
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5355 Knobs and Pointers

National Stock Number

5355-01-676-1421

Item Name Code

03263

Assigment Date

10/15/2018 (7 years ago)

An adapter having machine threads (straight threads other than pipe or hose series) designed to accommodate a tube on one end or an unthreaded end designed to accommodate a tube. The other end has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. It is designed to join a tube or tube fitting to a boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like. See also coupling, tube and nipple, tube.

0.500 inches nominal shank length, 1.000 inches nominal outside diameter, straight shank style, 0.625 inches nominal shank diameter, grip aid gripping surface condition

Product Characteristics

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

Shank Length: 0.500 inches nominal
Shank Diameter: 0.625 inches nominal
Shank Style: straight
Gripping Surface Condition: grip aid
Outside Diameter: 1.000 inches nominal
Attachment Method: screw on
Overall Thickness: 0.250 inches nominal
Features Provided: knurled knob
Thread Quantity Per Inch: 20 screw hole
Nominal Thread Size: 0.250 inches screw hole
Material: steel
Surface Treatment: black oxide
Style Designator: round
Thread Series Designator: un screw hole

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
6121K311	Knob

FAQs

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

What is the FSCG of the NSN 5355-01-676-1421?

The FSCG of the NSN 5355-01-676-1421 is 5355

Does the NSN 5355-01-676-1421 have a Schedule B code assigned?

Yes, the Schedule B code is 8531900002

Does NSN 5355-01-676-1421 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 5355-01-676-1421 contain precious materials?

Precious metal content is unknown

Does NSN 5355-01-676-1421 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5355-01-676-1421 was assigned to the Federal Catalog?

It was assigned 7 years ago, on Mon, Oct 15, 2018