893728-1

View detailed technical data, stock status, and sourcing information for: 893728-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-113-8309

Item Name Code

01856

Assigment Date

09/06/1968 (57 years ago)

A nut, flat on top and bottom, having 12 flat sides. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance).

2.990 inches minimum and 3.010 inches maximum width across flats, 0.505 inches minimum and 0.515 inches maximum nut height, plain, dodecagon nut style, +2.5955 to 2.6005 inches thread pitch diameters, right-hand thread direction

Product Characteristics

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

Thread Pitch Diameters: +2.5955 to 2.6005 inches
Thread Direction: right-hand
Nut Style: plain, dodecagon
Nut Height: 0.505 inches minimum and 0.515 inches maximum
Width Across Flats: 2.990 inches minimum and 3.010 inches maximum
Thread Series: un
Thread Quantity Per Inch: 20
Hardness Rating: 32.0 rockwell c minimum and 38.0 rockwell c maximum
Nominal Thread Size: 2.625 inches
Countersink Angle: 90.0 degrees nominal nut
Bearing Surface Type: chamfered
Bearing Surface Finish: 250.0 microinches
Part Name Assigned By Controlling Agency: navy special project
Material: steel comp 4340 overall
Material Document And Classification: mil-s-5000 mil spec single material response overall
Test Data Document: "81349-mil-i-6868 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", 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
893728-1	Dodecagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-113-8309?

The FSCG of the NSN 5310-00-113-8309 is 5310

Does the NSN 5310-00-113-8309 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-113-8309 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 5310-00-113-8309 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-113-8309 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 5310-00-113-8309 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, Sep 6, 1968