VS2521-6F7

View detailed technical data, stock status, and sourcing information for: VS2521-6F7
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-478-9976

Item Name Code

15903

Assigment Date

02/09/1970 (56 years ago)

0.822 inches minimum and 0.869 inches maximum fastener length, 0.374 inches minimum and 0.441 inches maximum thread length, 3a thread class, right-hand thread direction, double hexagon head style

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: 0.374 inches minimum and 0.441 inches maximum
Fastener Length: 0.822 inches minimum and 0.869 inches maximum
Head Style: double hexagon
Head Height: 0.210 inches nominal
Width Between Flats: 0.553 inches minimum and 0.564 inches maximum
Grip Diameter: 0.3733 inches minimum and 0.3742 inches maximum
Nominal Thread Diameter: 0.375 inches
Grip Length: 0.428 inches minimum and 0.448 inches maximum
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 220000 pounds per square inch
Hardness Rating: 46.0 rockwell c minimum and 50.0 rockwell c maximum overall
Part Name Assigned By Controlling Agency: navy special project
Material: steel overall
Material Document And Classification: m-107 fscm 56878 mfr ref single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: nas 672 assn std single treatment response overall
Thread Series Designator: unjf

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
AIC220-6A7	Shear Bolt
AIC516B6-7	Shear Bolt
C081-6-7	Shear Bolt
EWSB22-6A7	Shear Bolt
EWSB22D6-A7	Shear Bolt
GB511B6-7	Shear Bolt
H401-6-7	Shear Bolt
VS2521-6F7	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-478-9976?

The FSCG of the NSN 5306-00-478-9976 is 5306

Does the NSN 5306-00-478-9976 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-478-9976 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 5306-00-478-9976 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-00-478-9976 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 5306-00-478-9976 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Mon, Feb 9, 1970