5310-01-287-8812

Find complete technical information, availability, and procurement data for: 5310-01-287-8812
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-287-8812

Item Name Code

15887

Assigment Date

10/28/1988 (37 years ago)

A pliable rubber, felt, leather, or composition ring-shaped element, split or solid; with or without spring or spreader, having a metal shell on all or a portion of at least two of the outer surfaces. It may be designed to be either bolt mounted or pressmounted between fixed and moveable parts to form a tight and effective seal by the pressure of the spring or spreader or the resiliency inherent in the element material. Excludes:packing with retainer.

round nut style, 0.125 inches nominal drive point depth, 2.940 inches nominal small end diameter, right-hand thread direction, 2b 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: 2b
Thread Direction: right-hand
Small End Diameter: 2.940 inches nominal
Drive Point Depth: 0.125 inches nominal
Nut Style: round
Nut Diameter: 3.440 inches minimum and 3.560 inches maximum
Nut Thickness: 0.344 inches nominal
Drive Point Width: 0.250 inches nominal
Undercut Thickness: 0.194 inches nominal
Drive Point Quantity: 4
Thread Series: uns
Thread Quantity Per Inch: 18
Nominal Thread Size: 2.750 inches
Material: steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1021 or steel comp 1022 or steel comp 1023 or steel comp 1524 or steel comp 1025 overall
Surface Treatment: plastic polyurethane 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
20510996	Round Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-287-8812?

The FSCG of the NSN 5310-01-287-8812 is 5310

Does the NSN 5310-01-287-8812 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-287-8812 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 5310-01-287-8812 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-287-8812 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 5310-01-287-8812 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Fri, Oct 28, 1988