5306-01-121-0339

Find complete technical information, availability, and procurement data for: 5306-01-121-0339
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-121-0339

Item Name Code

15903

Assigment Date

10/29/1981 (44 years ago)

3a thread class, dished hexagon head style, 3.058 inches nominal fastener length, 0.370 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: 3a
Thread Direction: right-hand
Thread Length: 0.370 inches nominal
Fastener Length: 3.058 inches nominal
Head Style: dished hexagon
Head Height: 0.125 inches minimum and 0.140 inches maximum
Width Between Flats: 0.429 inches minimum and 0.439 inches maximum
Grip Diameter: 0.2485 inches minimum and 0.2495 inches maximum
Single Shear Strength: 95000 pounds per square inch
Nominal Thread Diameter: 0.250 inches
Grip Length: 2.688 inches nominal
Features Provided: finished head
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum overall
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Material: steel comp e4340 or steel comp 8740 overall
Material Document And Classification: mil-s-5000 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or ams6322 assn std 3rd material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty2,cl2 fed spec single treatment response overall
Thread Series Designator: unf
Specification/Standard Data: 80205-nas6204 professional/industrial association standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5306-00-837-5520	No Name Available	05/08/2013

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
NAS6204-43	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-121-0339?

The FSCG of the NSN 5306-01-121-0339 is 5306

Does the NSN 5306-01-121-0339 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-121-0339 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 5306-01-121-0339 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-121-0339 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 5306-01-121-0339 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Thu, Oct 29, 1981