5/16-18SSN

View detailed technical data, stock status, and sourcing information for: 5/16-18SSN
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-385-5644

Item Name Code

01857

Assigment Date

01/14/1994 (32 years ago)

An externally threaded tubular item containing a spring loaded device (pin, ball, and the like). The device is held in the thrown position by the spring and recedes when pressure is exerted against it. It is used as a locator, detent, and the like.

hexagon nut style, right-hand thread direction, 0.489 inches minimum and 0.500 inches maximum width across flats, 0.258 inches minimum and 0.273 inches maximum nut height, 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
Nut Style: hexagon
Nut Height: 0.258 inches minimum and 0.273 inches maximum
Width Across Flats: 0.489 inches minimum and 0.500 inches maximum
Thread Series: unc
Thread Quantity Per Inch: 18
Nominal Thread Size: 0.312 inches
Bearing Surface Type: chamfered or washer faced
Material: steel corrosion resisting 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
5/16-18SSN	Hexagon Plain Nut
5981 ITEM NO. 6	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-385-5644?

The FSCG of the NSN 5310-01-385-5644 is 5310

Does the NSN 5310-01-385-5644 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-385-5644 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 5310-01-385-5644 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-385-5644 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 5310-01-385-5644 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Fri, Jan 14, 1994