5306-01-271-3247

Find complete technical information, availability, and procurement data for: 5306-01-271-3247
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-271-3247

Item Name Code

04905

Assigment Date

01/23/1988 (38 years 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.

2a thread class, right-hand thread direction, 4.375 inches nominal fastener length, 0.875 inches nominal thread length, hexagon 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: 2a
Thread Direction: right-hand
Thread Length: 0.875 inches nominal
Fastener Length: 4.375 inches nominal
Head Style: hexagon
Head Height: 0.500 inches nominal
Width Between Flats: 0.750 inches nominal
Shoulder Diameter: 0.559 inches minimum and 0.560 inches maximum first shoulder
Shoulder Length: 3.500 inches nominal first shoulder
Hole Diameter: 0.125 inches nominal
Nominal Thread Diameter: 0.500 inches
Hole Quantity: 3
Hole Type: drilled
Thread Quantity Per Inch: 13
Hardness Rating: 35.0 rockwell c minimum and 40.0 rockwell c maximum overall
Hole Configuration Style: hexagon flats
Shoulder Shape: round first shoulder
Part Name Assigned By Controlling Agency: navy special project
Material: steel comp 4140 overall
Material Document And Classification: aisi4140 assn std single material response overall
Thread Series Designator: unc

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
PWA23928-21	Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-271-3247?

The FSCG of the NSN 5306-01-271-3247 is 5306

Does the NSN 5306-01-271-3247 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-271-3247 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 5306-01-271-3247 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-271-3247 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 5306-01-271-3247 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Sat, Jan 23, 1988