5310-00-637-8368

Find complete technical information, availability, and procurement data for: 5310-00-637-8368
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-637-8368

Item Name Code

13393

Assigment Date

01/01/1963 (63 years ago)

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

0.074 inches minimum and 0.121 inches maximum thickness, round peripheral shape style, 0.500 inches nominal hole diameter, round center hole shape style, rectangular cross-sectional shape style

Product Characteristics

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

Cross-Sectional Shape Style: rectangular
Hole Diameter: 0.500 inches nominal
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.074 inches minimum and 0.121 inches maximum
Overall Diameter: 1.062 inches nominal
Material: steel overall
Surface Treatment: cadmium and zinc 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
0740656	Flat Washer
MS15795-218	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-637-8368?

The FSCG of the NSN 5310-00-637-8368 is 5310

Does the NSN 5310-00-637-8368 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-637-8368 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 5310-00-637-8368 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-637-8368 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 5310-00-637-8368 was assigned to the Federal Catalog?

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