NAS1251-5-10

View detailed technical data, stock status, and sourcing information for: NAS1251-5-10
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-161-0874

Item Name Code

01832

Assigment Date

08/31/1983 (42 years ago)

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

3a thread class, 20 thread quantity per inch, 0.438 inches nominal thread diameter, right-hand thread direction, 0.715 inches minimum and 0.775 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: 0.715 inches minimum and 0.775 inches maximum
Nominal Thread Diameter: 0.438 inches
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 160000 pounds per square inch
Material: steel comp 4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150 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 astmb-633 assn std 2nd treatment response overall
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
NAS1251-5-10	Ring Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-161-0874?

The FSCG of the NSN 5306-01-161-0874 is 5306

Does the NSN 5306-01-161-0874 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-161-0874 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 5306-01-161-0874 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-161-0874 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 5306-01-161-0874 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Wed, Aug 31, 1983