NAS1225-4N

View detailed technical data, stock status, and sourcing information for: NAS1225-4N
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-838-1654

Item Name Code

15903

Assigment Date

01/01/1960 (66 years ago)

0.704 inches minimum and 0.734 inches maximum fastener length, right-hand thread direction, dished hexagon head style, 0.469 inches nominal thread length, 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: 0.469 inches nominal
Fastener Length: 0.704 inches minimum and 0.734 inches maximum
Head Style: dished hexagon
Head Height: 0.156 inches minimum and 0.171 inches maximum
Width Between Flats: 0.492 inches minimum and 0.502 inches maximum
Locking Feature: pellet threads
Grip Diameter: 0.311 inches minimum and 0.312 inches maximum
Nominal Thread Diameter: 0.312 inches
Grip Length: 0.240 inches minimum and 0.260 inches maximum
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum fastener
Surface Finish: 32.0 microinches threads
Surface Finish: 63.0 microinches bearing surface of head
Surface Finish: 63.0 microinches grip
Material: plastic polyamide (nylon) locking feature
Material: steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150 fastener
Material Document And Classification: mil-s-5000 mil spec 1st material response or mil-s-5626 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-8503 mil spec 5th material response fastener
Surface Treatment: cadmium and chromate fastener
Surface Treatment Document And Classification: qq-p-416 ty 2 cl 2 fed spec single treatment response fastener
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas1225 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Below is a list of NSNs that have been officially superseded by this NSN: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
5306-00-685-1554	No Name Available	01/01/1983

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
NAS1225-4N	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-838-1654?

The FSCG of the NSN 5306-00-838-1654 is 5306

Does the NSN 5306-00-838-1654 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-838-1654 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 5306-00-838-1654 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-00-838-1654 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 5306-00-838-1654 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960