5310-01-123-4613

Find complete technical information, availability, and procurement data for: 5310-01-123-4613
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-123-4613

Item Name Code

01854

Assigment Date

12/12/1981 (44 years ago)

A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes:nut (1), plain, slotted, hexagon.

castellated, hexagon nut style, right-hand thread direction, 0.265 inches minimum and 0.275 inches maximum nut counterbore diameter, 0.408 inches minimum and 0.428 inches maximum nut height, 3b 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: 3b
Thread Direction: right-hand
Counterbore Diameter: 0.265 inches minimum and 0.275 inches maximum nut
Nut Style: castellated, hexagon
Nut Height: 0.408 inches minimum and 0.428 inches maximum
Nut Counterbore Depth: 0.148 inches minimum and 0.168 inches maximum nut
Width Across Flats: 0.428 inches minimum and 0.440 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 28
Hardness Rating: 94.0 rockwell b maximum
Nominal Thread Size: 0.250 inches
Bearing Surface Type: chamfered
Bearing Surface Finish: 125.0 microinches
Material: steel comp 4130 overall
Material Document And Classification: mil-s-6758 mil spec single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: ss8488,fscm 78286 mfr ref single treatment response 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
SS5095-4	Nut,plain,castellated,hexagon

FAQs

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

What is the FSCG of the NSN 5310-01-123-4613?

The FSCG of the NSN 5310-01-123-4613 is 5310

Does the NSN 5310-01-123-4613 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-123-4613 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 5310-01-123-4613 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-123-4613 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 5310-01-123-4613 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Sat, Dec 12, 1981