STD3020B11R

View detailed technical data, stock status, and sourcing information for: STD3020B11R
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5307 Studs

National Stock Number

5307-01-115-2618

Item Name Code

15949

Assigment Date

07/01/1981 (45 years ago)

A headed or headless fastener externally or internally threaded. It is intended for fastening by welding the head, unthreaded end or welding tip. If headed, the head is not designed to be self-holding, nor to be turned with a wrench or inserted driver, nor does the head have small raised projections on the top or underside to facilitate welding. See also bolt, welding.

+0.4097 to 0.4112 inches stud thread thread pitch diameters, 0.890 inches minimum and 0.910 inches maximum stud thread thread length, right-hand nut thread thread direction, right-hand stud thread thread direction, 3a nut thread thread class

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: +0.4097 to 0.4112 inches stud thread
Thread Direction: right-hand nut thread
Thread Direction: right-hand stud thread
Thread Length: 0.890 inches minimum and 0.910 inches maximum stud thread
Thread Length: 0.812 inches minimum and 0.892 inches maximum nut thread
Shank Diameter: 0.285 inches minimum and 0.289 inches maximum
Overall Length: 2.032 inches minimum and 2.052 inches maximum
Thread Quantity Per Inch: 24 nut thread
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum
Nominal Thread Size: 0.375 inches nut thread
Surface Finish: 32.0 microinches nut thd
Surface Finish: 32.0 microinches stud thd
Surface Finish: 63.0 microinches shank
Material: steel comp 4140
Material Document And Classification: ams 6382 assn std single material response
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: ams 2400 assn std single treatment response overall
Style Designator: stepped
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
STD3020B11R	Stepped Stud

FAQs

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

What is the FSCG of the NSN 5307-01-115-2618?

The FSCG of the NSN 5307-01-115-2618 is 5307

Does NSN 5307-01-115-2618 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 5307-01-115-2618 contain precious materials?

Item does not contain precious metal.

Does NSN 5307-01-115-2618 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 5307-01-115-2618 was assigned to the Federal Catalog?

It was assigned 45 years ago, on Wed, Jul 1, 1981