634S2

View detailed technical data, stock status, and sourcing information for: 634S2
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5307 Studs

National Stock Number

5307-00-945-4770

Item Name Code

15943

Assigment Date

03/11/1966 (60 years ago)

right-hand nut thread thread direction, 3a nut thread thread class, +0.2870 to 0.2885 inches stud thread thread pitch diameters, 0.510 inches minimum nut thread thread length, right-hand stud thread thread direction

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 nut thread
Thread Pitch Diameters: +0.2870 to 0.2885 inches stud thread
Thread Direction: right-hand nut thread
Thread Direction: right-hand stud thread
Thread Length: 0.510 inches minimum nut thread
Thread Length: 0.580 inches minimum stud thread
Overall Length: 2.130 inches minimum and 2.170 inches maximum
Length Of Recessed Portion Of Shank: 0.390 inches minimum and 0.440 inches maximum
Diameter Of Recessed Portion Of Shank: 0.180 inches minimum and 0.184 inches maximum
Distance Across Flats: 0.200 inches nominal
Thread Quantity Per Inch: 18 stud thread
Thread Quantity Per Inch: 28 nut thread
Hardness Rating: 32.0 rockwell c minimum and 36.0 rockwell c maximum
Nominal Thread Size: 0.250 inches nut thread
Nominal Thread Size: 0.312 inches stud thread
Material: steel
Surface Treatment: cadmium overall
Thread Series Designator: unc stud thread
Thread Series Designator: unf nut thread

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
634S2	Recessed and Stepped Stud

FAQs

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

What is the FSCG of the NSN 5307-00-945-4770?

The FSCG of the NSN 5307-00-945-4770 is 5307

Does NSN 5307-00-945-4770 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 5307-00-945-4770 contain precious materials?

Precious metal content is unknown

Does NSN 5307-00-945-4770 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 5307-00-945-4770 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Fri, Mar 11, 1966