5306-01-342-8558

Find complete technical information, availability, and procurement data for: 5306-01-342-8558
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-342-8558

Item Name Code

15903

Assigment Date

07/31/1991 (34 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

0.345 inches minimum and 0.395 inches maximum thread length, dished hexagon head style, right-hand thread direction, 0.917 inches minimum and 0.947 inches maximum fastener length, 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: 0.345 inches minimum and 0.395 inches maximum
Fastener Length: 0.917 inches minimum and 0.947 inches maximum
Head Style: dished hexagon
Head Height: 0.125 inches minimum and 0.140 inches maximum
Width Between Flats: 0.429 inches minimum and 0.439 inches maximum
Grip Diameter: 0.2485 inches minimum and 0.2495 inches maximum
Shank Unthreaded Hole Diameter: 0.046 inches minimum and 0.056 inches maximum first hole
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.552 inches minimum and 0.572 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Distance From Head Largest Bearing Surface To Shank Hole Center: 0.762 inches nominal first hole
Surface Finish: 32.0 microinches bearing surface of head32.0 microinches grip32.0 microinches threads
Material: iron alloy 660 overall
Material Document And Classification: ams 5731 assn std single material response or ams 5737 assn std single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2 cl 2 fed spec single treatment response overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas6304 professional/industrial association standard

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
NAS6304-9D	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-342-8558?

The FSCG of the NSN 5306-01-342-8558 is 5306

Does the NSN 5306-01-342-8558 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-342-8558 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 5306-01-342-8558 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-342-8558 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 5306-01-342-8558 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Wed, Jul 31, 1991