5219874-1

View detailed technical data, stock status, and sourcing information for: 5219874-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-281-3398

Item Name Code

15887

Assigment Date

06/22/1988 (38 years ago)

A metallic headed fastener having internal threads for a portion of the full length. It may have a smooth, hexagon or splined shank with an open or closed end. It is designed to be expanded tightly against the material it is being installed in by means of a special tool. The item must have a specified grip range. The grip range is the thickness of the material the item is being installed in. An integral feature is incorporated for locking on the threads of a mating member.

right-hand thread direction, round nut style, 0.688 inches nominal nut thickness, 3b thread class, 0.623 inches minimum and 0.624 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
Nut Style: round
Nut Diameter: 0.623 inches minimum and 0.624 inches maximum
Nut Thickness: 0.688 inches nominal
Thread Series: unc
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.190 inches
Special Features: chamfer 45.0 deg both ends; 63-0 microin od
Material: steel comp 630 overall
Material Document And Classification: ams 5643,h1025 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: ws19168,fscm 44114 mfr ref single treatment response overall
Test Data Document: 81349-mil-i-6866 standard (includes industry or association standards, individual manufactureer standards, etc.).

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
5219874-1	Round Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-281-3398?

The FSCG of the NSN 5310-01-281-3398 is 5310

Does the NSN 5310-01-281-3398 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-281-3398 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 5310-01-281-3398 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-281-3398 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 5310-01-281-3398 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Wed, Jun 22, 1988