18A32309

View detailed technical data, stock status, and sourcing information for: 18A32309
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5307 Studs

National Stock Number

5307-00-639-8537

Item Name Code

15944

Assigment Date

01/01/1963 (63 years ago)

right-hand nut thread thread direction, right-hand stud thread thread direction, +0.7044 to 0.7084 inches nut thread thread pitch diameters, 0.969 inches minimum nut thread thread length, +1.0764 to 1.0804 inches stud thread thread pitch diameters

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Pitch Diameters: +0.7044 to 0.7084 inches nut thread
Thread Pitch Diameters: +1.0764 to 1.0804 inches stud thread
Thread Direction: right-hand nut thread
Thread Direction: right-hand stud thread
Thread Length: 0.969 inches minimum nut thread
Thread Length: 1.219 inches minimum stud thread
Shoulder Diameter: 1.125 inches nominal
Shoulder Length: 0.188 inches nominal
Overall Length: 3.188 inches nominal
Nut End Shank Length: 0.625 inches nominal
Distance Across Flats: 0.938 inches nominal
Thread Quantity Per Inch: 16 stud thread
Hardness Rating: 18.0 rockwell c minimum and 28.0 rockwell c maximum
Nominal Thread Size: 1.125 inches stud thread
Stud End Shank Diameter: 0.783 inches minimum and 0.786 inches maximum
Material: steel
Style Designator: shouldered and stepped
Thread Series Designator: uns stud thread

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5307-00-353-0492	No Name Available	01/01/1963
5307-00-891-3802	No Name Available	05/09/1967

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
18A32309	Shouldered and Stepped Stud
20X90	Shouldered and Stepped Stud

FAQs

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

What is the FSCG of the NSN 5307-00-639-8537?

The FSCG of the NSN 5307-00-639-8537 is 5307

Does the NSN 5307-00-639-8537 have a Schedule B code assigned?

Yes, the Schedule B code is 7318155000

Does NSN 5307-00-639-8537 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 5307-00-639-8537 contain precious materials?

Precious metal content is unknown

Does NSN 5307-00-639-8537 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 5307-00-639-8537 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963