5306-01-281-0558

Find complete technical information, availability, and procurement data for: 5306-01-281-0558
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-281-0558

Item Name Code

15903

Assigment Date

06/16/1988 (38 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.

0.727 inches minimum and 0.877 inches maximum thread length, 2.275 inches minimum and 2.305 inches maximum fastener length, 3a thread class, right-hand thread direction, spline extended washer 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: 0.727 inches minimum and 0.877 inches maximum
Fastener Length: 2.275 inches minimum and 2.305 inches maximum
Head Style: spline extended washer
Head Height: 0.440 inches minimum and 0.460 inches maximum
Extended Washer Diameter: 0.922 inches minimum and 0.932 inches maximum
Extended Washer Thickness: 0.062 inches minimum and 0.082 inches maximum
Grip Diameter: 0.4985 inches minimum and 0.4995 inches maximum
Head Minor Diameter: 0.547 inches minimum and 0.562 inches maximum
Nominal Thread Diameter: 0.500 inches
Grip Length: 1.428 inches minimum and 1.448 inches maximum
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 220000 pounds per square inch
Hardness Rating: 46.0 rockwell c minimum and 50.0 rockwell c maximum overall
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Material: steel comp h11 overall
Material Document And Classification: ams 6487 assn std single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: mil-c-8837,type 2,class 2 mil spec 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
MS21297-08023	Shear Bolt
NASM21297	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-281-0558?

The FSCG of the NSN 5306-01-281-0558 is 5306

Does the NSN 5306-01-281-0558 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-281-0558 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 5306-01-281-0558 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-281-0558 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 5306-01-281-0558 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Thu, Jun 16, 1988