5306-00-779-3957

Find complete technical information, availability, and procurement data for: 5306-00-779-3957
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-779-3957

Item Name Code

04905

Assigment Date

01/01/1960 (66 years ago)

A length of metallic hose with fittings on one or both ends. For items without fittings, see hose, metallic. Excludes:conduit, electrical; conduit assembly, electrical; casing, flexible control; and casing, flexible shaft assembly.

hexagon head style, 3a thread class, 1.240 inches nominal fastener length, 0.335 inches maximum thread length, right-hand thread direction

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: 0.335 inches maximum
Fastener Length: 1.240 inches nominal
Head Style: hexagon
Head Height: 0.140 inches minimum and 0.172 inches maximum
Width Between Flats: 0.428 inches minimum and 0.440 inches maximum
Shoulder Diameter: 0.246 inches minimum and 0.249 inches maximum first shoulder
Shoulder Length: 0.905 inches nominal first shoulder
Shank Unthreaded Hole Diameter: 0.070 inches minimum and 0.080 inches maximum first hole
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum overall
Distance From Head Largest Bearing Surface To Shank Hole Center: 1.090 inches nominal first hole
Shoulder Shape: round first shoulder
Material: steel comp 4037 or steel comp 4130 or steel comp 8630 or steel comp 8735 or steel comp 8740 or steel comp 4140 overall
Material Document And Classification: mil-b-6812 mil spec all material responses overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 1 fed spec single 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
A02P9721-1	Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-779-3957?

The FSCG of the NSN 5306-00-779-3957 is 5306

Does the NSN 5306-00-779-3957 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-779-3957 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 5306-00-779-3957 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-00-779-3957 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 5306-00-779-3957 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960