5306-01-725-9903

Find complete technical information, availability, and procurement data for: 5306-01-725-9903
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-725-9903

Item Name Code

15903

Assigment Date

01/29/2025 (1 year ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

1.151 inches nominal thread length, double hexagon w/hole head style, 4.761 inches minimum and 4.791 inches maximum fastener length, right-hand thread direction, 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: 1.151 inches nominal
Fastener Length: 4.761 inches minimum and 4.791 inches maximum
Head Style: double hexagon w/hole
Head Height: 0.620 inches minimum and 0.640 inches maximum
Width Between Flats: 0.803 inches minimum and 0.814 inches maximum
Extended Washer Diameter: 1.220 inches minimum and 1.230 inches maximum
Extended Washer Thickness: 0.168 inches minimum and 0.188 inches maximum
Grip Diameter: 0.7430 inches minimum and 0.7445 inches maximum
Shank Unthreaded Hole Diameter: 0.141 inches minimum and 0.151 inches maximum first hole
Single Shear Strength: 125000 pounds per square inch
End Item Identification: aircraft kc-46
Nominal Thread Diameter: 0.7500 inches
Grip Length: 3.615 inches minimum and 3.635 inches maximum
Thread Quantity Per Inch: 16
Minimum Tensile Strength: 220000 pounds per square inch
Distance From Head Largest Bearing Surface To Shank Hole Center: 4.487 inches nominal first hole
Part Name Assigned By Controlling Agency: bolt,12 point head,220 ksi min tensile,125 ksi min shear,nickel alloy 718(nominal and oversize)
Material: nickel alloy 718 overall
Material Document And Classification: ams5662 or 5962 aerospace material spec std single material response overall
Surface Treatment: chromium grip
Surface Treatment Document And Classification: ams-qq-c-320,class 2 national std/spec single treatment response grip
Thread Series Designator: unjf
Reference Number Differentiating Characteristics: item is faa certified

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
BACB30US12C58D	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-725-9903?

The FSCG of the NSN 5306-01-725-9903 is 5306

Does the NSN 5306-01-725-9903 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5306-01-725-9903 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 5306-01-725-9903 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-725-9903 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 5306-01-725-9903 was assigned to the Federal Catalog?

It was assigned 1 year ago, on Wed, Jan 29, 2025