21047-1

View detailed technical data, stock status, and sourcing information for: 21047-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-835-6064

Item Name Code

01847

Assigment Date

12/07/1966 (59 years ago)

A clamp designed to surround other item(s) such as cable(s), conduit(s), pipe(s), hose(s), or tube(s), and to fasten together or to another object or structure. Includes straight flexible items. For items specifically designed to clamp a hose to a connection to prevent leakage, see clamp, hose. See also hanger, pipe and clip, spring tension. For retaining straps with a bridge, see strap, retaining. Excludes:clamp, electrical; band, retaining; clamp (1), c; bracket pipe.

0.750 inches nominal fastener length, 2a thread class, double hexagon extended washer head style, right-hand thread direction, 0.750 inches maximum thread length

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
Thread Direction: right-hand
Thread Length: 0.750 inches maximum
Fastener Length: 0.750 inches nominal
Head Style: double hexagon extended washer
Head Height: 0.367 inches minimum and 0.375 inches maximum
Width Between Flats: 0.370 inches minimum and 0.375 inches maximum
Extended Washer Diameter: 0.553 inches minimum and 0.562 inches maximum
Extended Washer Thickness: 0.115 inches minimum and 0.135 inches maximum
Nominal Thread Diameter: 0.375 inches
Features Provided: finished head
Thread Quantity Per Inch: 16
Minimum Tensile Strength: 120000 pounds per square inch
Hardness Rating: 23.0 rockwell c minimum and 32.0 rockwell c maximum overall
Material: steel overall
Thread Series Designator: unc

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
21047-1	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-835-6064?

The FSCG of the NSN 5306-00-835-6064 is 5306

Does the NSN 5306-00-835-6064 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-835-6064 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 5306-00-835-6064 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-835-6064 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 5306-00-835-6064 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Wed, Dec 7, 1966