5306-00-637-8661

Find complete technical information, availability, and procurement data for: 5306-00-637-8661
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-637-8661

Item Name Code

15903

Assigment Date

01/01/1963 (63 years ago)

0.359 inches minimum and 0.374 inches maximum thread length, right-hand thread direction, 0.172 inches minimum and 0.204 inches maximum head height, hexagon head style, 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 Direction: right-hand
Thread Length: 0.359 inches minimum and 0.374 inches maximum
Head Style: hexagon
Head Height: 0.172 inches minimum and 0.204 inches maximum
Width Between Flats: 0.552 inches minimum and 0.564 inches maximum
Shank Unthreaded Hole Diameter: 0.1065 inches nominal first hole
Nominal Thread Diameter: 0.375 inches
Grip Length: 1.422 inches minimum and 1.454 inches maximum
Thread Quantity Per Inch: 24
Hardness Rating: 39.0 rockwell c minimum and 43.0 rockwell c maximum overall
Distance From Head Largest Bearing Surface To Shank Hole Center: 1.644 inches minimum and 1.676 inches maximum first hole
Part Name Assigned By Controlling Agency: navy special project
Material Document And Classification: mil-s-6758 mil spec single material response overall
Surface Treatment: cadmium or chromium threads
Surface Treatment: cadmium or chromium head
Surface Treatment Document And Classification: cva5-5,fscm 80378 mfr ref all treatment responses threads
Surface Treatment Document And Classification: cva5-2,fscm 80378 mfr ref all treatment responses head
Test Data Document: "81349-mil-i-6870 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
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
CV15-910619-1	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-637-8661?

The FSCG of the NSN 5306-00-637-8661 is 5306

Does NSN 5306-00-637-8661 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 5306-00-637-8661 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-00-637-8661 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 5306-00-637-8661 was assigned to the Federal Catalog?

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