5310-01-187-3919

Find complete technical information, availability, and procurement data for: 5310-01-187-3919
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-187-3919

Item Name Code

15887

Assigment Date

08/22/1984 (41 years ago)

round nut style, 0.188 inches nominal drive point depth, right-hand thread direction, 3b thread class, 3.875 inches nominal 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: 0.188 inches nominal
Nut Style: round
Nut Diameter: 3.875 inches nominal
Nut Thickness: 0.750 inches nominal
Drive Point Width: 0.440 inches nominal
Drive Point Quantity: 2
Hole Type And Quantity: 4 tapped
Thread Series: unj
Thread Quantity Per Inch: 12
Nominal Thread Size: 3.125 inches
Hole Thread Quantity Per Inch: 32
Hole Configuration Style: configuration f
Hole Nominal Thread Diameter: 0.190 inches
Material: steel comp 4340 overall
Material Document And Classification: mil-s-8844,class 1 mil spec single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,type 2,class 1 fed spec single treatment response overall

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
1881B256	Round Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-187-3919?

The FSCG of the NSN 5310-01-187-3919 is 5310

Does the NSN 5310-01-187-3919 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-187-3919 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 5310-01-187-3919 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-187-3919 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 5310-01-187-3919 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Wed, Aug 22, 1984