AN25-15

View detailed technical data, stock status, and sourcing information for: AN25-15
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-144-3851

Item Name Code

06662

Assigment Date

05/25/1966 (60 years ago)

An externally threaded fastener whose threaded and unthreaded portions are of one nominal diameter and are separated by a narrow circumferential groove. The head is designed to be held or driven with an inserted driver. Excludes:bolt, shear.

3a thread class, button head style, 0.974 inches minimum and 0.994 inches maximum fastener length, right-hand thread direction, 0.339 inches minimum and 0.379 inches maximum thread length

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: 0.339 inches minimum and 0.379 inches maximum
Fastener Length: 0.974 inches minimum and 0.994 inches maximum
Head Style: button
Head Diameter: 0.625 inches nominal
Head Height: 0.156 inches nominal
Groove Diameter: 0.245 inches minimum and 0.255 inches maximum
Shank Unthreaded Hole Diameter: 0.076 inches minimum and 0.086 inches maximum first hole
Internal Drive Style: slot
Nominal Thread Diameter: 0.312 inches
Thread Quantity Per Inch: 24
Distance From Head Largest Bearing Surface To Shank Hole Center: 0.798 inches minimum and 0.828 inches maximum first hole
Material: steel comp 4140 or steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4130 or steel comp 4037 overall
Material Document And Classification: mil-s-5626 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or mil-s-6050 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6758 mil spec 5th material response or ams 6300 assn std 6th material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 type 2 class 3 fed spec single treatment response overall
Thread Series Designator: unf

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
AN25-15	Clevis Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-144-3851?

The FSCG of the NSN 5306-00-144-3851 is 5306

Does the NSN 5306-00-144-3851 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-144-3851 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 5306-00-144-3851 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-144-3851 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 5306-00-144-3851 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Wed, May 25, 1966