S1635-20078

View detailed technical data, stock status, and sourcing information for: S1635-20078
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-639-2596

Item Name Code

15887

Assigment Date

01/01/1963 (63 years ago)

round nut style, 0.094 inches nominal drive point depth, right-hand thread direction, 3b thread class, 2.360 inches minimum and 2.380 inches maximum nut diameter

Product Characteristics

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

Thread Class: 3b
Thread Direction: right-hand
Drive Point Depth: 0.094 inches nominal
Nut Style: round
Nut Diameter: 2.360 inches minimum and 2.380 inches maximum
Nut Thickness: 0.302 inches minimum and 0.322 inches maximum
Drive Point Width: 0.240 inches minimum and 0.260 inches maximum
Drive Point Quantity: 8
Drilled Hole Diameter: 0.067 inches nominal
Hole Type And Quantity: 8 drilled
Thread Series: unef
Thread Quantity Per Inch: 18
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum
Nominal Thread Size: 1.625 inches
Hole Configuration Style: configuration f
Countersink Angle: 88.0 degrees minimum and 92.0 degrees maximum nut
Material: steel comp 4140 overall
Material Document And Classification: ams 6381 assn std single material response or ms 6382 assn std single material response overall
Surface Treatment: phosphate overall
Surface Treatment Document And Classification: ams 2481 assn std single treatment response overall
Departure From Cited Document: as modified by drilled holes

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-208-9082	No Name Available	06/22/1966

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
MS172370	Round Plain Nut
S1635-20078	Round Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-639-2596?

The FSCG of the NSN 5310-00-639-2596 is 5310

Does the NSN 5310-00-639-2596 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-639-2596 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 5310-00-639-2596 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-639-2596 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 5310-00-639-2596 was assigned to the Federal Catalog?

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