5306-01-251-4991

Find complete technical information, availability, and procurement data for: 5306-01-251-4991
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-251-4991

Item Name Code

01847

Assigment Date

03/19/1987 (39 years ago)

2a thread class, distorted head head style, 5.900 inches minimum and 6.000 inches maximum fastener length, 1.500 inches nominal thread length, right-hand thread direction

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: 1.500 inches nominal
Fastener Length: 5.900 inches minimum and 6.000 inches maximum
Head Style: distorted head
Head Height: 0.375 inches minimum and 0.390 inches maximum
Width Between Flats: 0.860 inches minimum and 0.875 inches maximum
Locking Feature: undercut bearing surface of head
Nominal Thread Diameter: 0.625 inches
Features Provided: finished head
Thread Quantity Per Inch: 18
Minimum Tensile Strength: 150000 pounds per square inch
Hardness Rating: 33.0 rockwell c minimum and 39.0 rockwell c maximum overall
Material: steel overall
Material Document And Classification: sae j429,grade 8 uns g15410 assn std single material response overall
Supplementary Features: mfr type aa hex. lock bolt; u/o detroit diesel 149 engine marine gear
Thread Series Designator: unf
Specification/Standard Data: 81349-mil-b-45912 government specification and 24617-9427997 manufacturers standard
Nondefinitive Spec/Std Data: b composition
Departure From Cited Designator: as modified by plain fin.

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
5306PL0948534	Machine Bolt
9427997	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-251-4991?

The FSCG of the NSN 5306-01-251-4991 is 5306

Does the NSN 5306-01-251-4991 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-251-4991 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 5306-01-251-4991 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-251-4991 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 5306-01-251-4991 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Thu, Mar 19, 1987