401876H

View detailed technical data, stock status, and sourcing information for: 401876H
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5307 Studs

National Stock Number

5307-00-841-6477

Item Name Code

15948

Assigment Date

01/01/1962 (64 years ago)

right-hand nut thread thread direction, +0.3936 to 0.4005 inches stud thread thread pitch diameters, 1.090 inches maximum stud thread thread length, 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: +0.3936 to 0.4005 inches stud thread
Thread Direction: right-hand nut thread
Thread Direction: right-hand stud thread
Thread Length: 1.090 inches maximum stud thread
Thread Length: 0.690 inches minimum nut thread
Overall Length: 2.250 inches nominal
Distance From Cotter Pin Hole Centerline To Nut End: 0.110 inches nominal first hole
Cotter Pin Hole Diameter: 0.650 inches nominal first hole
Thread Quantity Per Inch: 14 stud thread
Thread Quantity Per Inch: 20 nut thread
Hardness Rating: 28.0 rockwell c minimum and 34.0 rockwell c maximum
Nominal Thread Size: 0.438 inches nut thread
Nominal Thread Size: 0.438 inches stud thread
Material: steel comp 8640 or steel comp 4140
Surface Treatment: cadmium overall
Thread Series Designator: unf nut thread
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Below is a list of NSNs that have been officially superseded by this NSN: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
5307-00-776-7339	No Name Available	01/01/1961

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
401876H	Plain Stud
5307008416477	Plain Stud
7767339	Plain Stud

FAQs

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

What is the FSCG of the NSN 5307-00-841-6477?

The FSCG of the NSN 5307-00-841-6477 is 5307

Does the NSN 5307-00-841-6477 have a Schedule B code assigned?

Yes, the Schedule B code is 7318155000

Does NSN 5307-00-841-6477 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 5307-00-841-6477 contain precious materials?

Precious metal content is unknown

Does NSN 5307-00-841-6477 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 5307-00-841-6477 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962