5306-01-025-1891

Find complete technical information, availability, and procurement data for: 5306-01-025-1891
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-025-1891

Item Name Code

01847

Assigment Date

07/28/1976 (50 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.

3a thread class, 0.429 inches nominal thread length, 0.500 inches nominal fastener length, right-hand thread direction, double hexagon w/hole 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: 0.429 inches nominal
Fastener Length: 0.500 inches nominal
Head Style: double hexagon w/hole
Head Height: 0.330 inches nominal
Width Between Flats: 0.304 inches minimum and 0.313 inches maximum
Extended Washer Diameter: 0.438 inches nominal
Extended Washer Thickness: 0.060 inches minimum and 0.070 inches maximum
Nominal Thread Diameter: 0.250 inches
Features Provided: finished head
Thread Quantity Per Inch: 28
Material: iron alloy 660 overall
Material Document And Classification: ams 5735 assn std single material 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
MS21280-06	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-025-1891?

The FSCG of the NSN 5306-01-025-1891 is 5306

Does the NSN 5306-01-025-1891 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-025-1891 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 5306-01-025-1891 contain precious materials?

Precious metal content is unknown

Does NSN 5306-01-025-1891 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 5306-01-025-1891 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Wed, Jul 28, 1976