5306-00-621-2963

Find complete technical information, availability, and procurement data for: 5306-00-621-2963
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-621-2963

Item Name Code

06666

Assigment Date

01/01/1963 (63 years ago)

3a thread class, 0.625 inches nominal fastener length, right-hand thread direction, flat chamfer head style, 0.563 inches minimum 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: 3a
Thread Direction: right-hand
Thread Length: 0.563 inches minimum
Fastener Length: 0.625 inches nominal
Head Style: flat chamfer
Head Diameter: 0.306 inches minimum and 0.312 inches maximum
Head Height: 0.244 inches minimum and 0.250 inches maximum
Hole Diameter: 0.059 inches nominal
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.190 inches
Width Across Flats: 0.188 inches nominal
Hole Quantity: 6
Hole Type: drilled
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 180000 pounds per square inch
Hardness Rating: 38.0 rockwell c minimum and 45.0 rockwell c maximum overall
Minimum Yield Strength: 155000 pounds per square inch
Hole Configuration Style: round longitudinal hole
Material: steel overall
Material Document And Classification: 66 fed std single material response overall
Surface Treatment: cadmium and chromate or zinc and phosphate overall
Surface Treatment Document And Classification: qq-p-416 type 2 class 3 fed spec 1st treatment response or qq-z-325 type 3 class 3 fed spec 2nd treatment response overall
Thread Series Designator: 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
CV15-151676-1	Internal Wrenching Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-621-2963?

The FSCG of the NSN 5306-00-621-2963 is 5306

Does the NSN 5306-00-621-2963 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-621-2963 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 5306-00-621-2963 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-621-2963 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 5306-00-621-2963 was assigned to the Federal Catalog?

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