NAS1251A25-86

View detailed technical data, stock status, and sourcing information for: NAS1251A25-86
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-398-1262

Item Name Code

01832

Assigment Date

10/25/1994 (31 years ago)

1.095 inches minimum and 1.155 inches maximum thread length, 3a thread class, right-hand thread direction, 1.375 inches minimum eye stock diameter, 1.095 inches minimum and 1.155 inches maximum shank 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: 1.095 inches minimum and 1.155 inches maximum
Shank Length: 1.095 inches minimum and 1.155 inches maximum
Eye Stock Diameter: 1.375 inches minimum
Shoulder Diameter: 0.993 inches minimum and 0.998 inches maximum
Shoulder Length: 5.375 inches nominal
Ring Stock Diameter: 0.687 inches nominal
Ring Inside Diameter: 2.380 inches minimum and 2.620 inches maximum
Nominal Thread Diameter: 0.750 inches
Thread Quantity Per Inch: 16
Minimum Tensile Strength: 160000 pounds per square inch
Special Features: threads undercut for relief, 0.125 in. max. undercut length
Material: steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 overall
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 overall
Surface Treatment: cadmium and chromate or zinc and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty 2 cl 3 fed spec 1st treatment response or qq-z-325 ty 2 cl 3 fed spec 2nd treatment response overall
Style Designator: swivel
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas1251 professional/industrial association standard

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
NAS1251A25-86	Ring Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-398-1262?

The FSCG of the NSN 5306-01-398-1262 is 5306

Does the NSN 5306-01-398-1262 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-398-1262 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 5306-01-398-1262 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-398-1262 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 5306-01-398-1262 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Tue, Oct 25, 1994