5310-00-843-8681

Find complete technical information, availability, and procurement data for: 5310-00-843-8681
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-843-8681

Item Name Code

01854

Assigment Date

12/30/1966 (59 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

right-hand thread direction, 2b thread class, 1.656 inches nominal width across flats, castellated, hexagon nut style, 1.125 inches nominal nut height

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: castellated, hexagon
Nut Height: 1.125 inches nominal
Width Across Flats: 1.656 inches nominal
Thread Series: unf
Thread Quantity Per Inch: 12
Nominal Thread Size: 1.125 inches
Bearing Surface Type: chamfered
Material: steel overall

FAQs

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

What is the FSCG of the NSN 5310-00-843-8681?

The FSCG of the NSN 5310-00-843-8681 is 5310

Does the NSN 5310-00-843-8681 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-843-8681 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 5310-00-843-8681 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-843-8681 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 5310-00-843-8681 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Fri, Dec 30, 1966